Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-3

Note 9 - Notes Payable (Details Textual) - USD ($)											3 Months Ended		6 Months Ended
Note 9 - Notes Payable (Details Textual) - USD ($)	Jul. 30, 2026	Jul. 13, 2026	Jun. 22, 2026	May 05, 2026	Jan. 31, 2026	Dec. 31, 2025	Dec. 26, 2025	Oct. 01, 2025	Sep. 26, 2024	Jun. 13, 2020	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 24, 2026	May 18, 2026	Mar. 31, 2026	Mar. 09, 2026	Feb. 27, 2026	Jul. 11, 2025	May 05, 2025	Aug. 23, 2024	Aug. 22, 2024	Jul. 25, 2024	Jul. 18, 2024	Jul. 01, 2024	Jun. 25, 2024	May 30, 2024
Class of Warrant or Right, Issued in Period (in shares)													0
Gain (Loss) on Extinguishment of Debt											$ (105,000)	$ 0	$ (105,000)	$ 0
Series M Warrants [Member]
Class of Warrant or Right, Issued in Period (in shares)						340,000
Mr. Jenkins [Member]
Debt Instrument, Face Amount											500,000		500,000
Interest Payable											30,000		30,000
Debt Instrument, Unamortized Premium											79,000		79,000
FatBoy Capital [Member] \| Notes Payable 1 [Member]
Debt Instrument, Face Amount											150,000		150,000
Interest Payable											9,000		9,000
Debt Instrument, Unamortized Premium											25,000		25,000
FatBoy Capital [Member] \| Notes Payable 2 [Member]
Debt Instrument, Face Amount											250,000		250,000
Interest Payable											15,000		15,000
Debt Instrument, Unamortized Premium											39,000		39,000
FatBoy Capital [Member] \| Notes Payable 3 [Member]
Debt Instrument, Face Amount											100,000		100,000
Interest Payable											6,000		6,000
Debt Instrument, Unamortized Premium											16,000		16,000
Jenkins Family Charitable Institute [Member]
Debt Instrument, Face Amount											500,000		500,000
Interest Payable											30,000		30,000
Debt Instrument, Unamortized Premium											79,000		79,000
Cardionomix Promissory Note [Member]
Debt Instrument, Face Amount																					$ 1,500,000
Debt Instrument, Interest Rate, Stated Percentage																					4.00%
Interest Expense, Debt											34,000	19,000	68,000
Long-Term Debt																					$ 1,300,000
Debt Instrument, Unamortized Discount						$ 209					171,000		171,000								$ 254,000
Debt Instrument, Interest Rate, Effective Percentage																					10.00%
Notes Payable						1,300,000					1,400,000		1,400,000
Notes Payable, Principal						1,500,000					1,500,000		1,500,000
Interest Payable						39					69,000		69,000
Related Party Notes [Member] \| Mr. Jenkins [Member]
Debt Instrument, Face Amount																												$ 500,000
Related Party Notes [Member] \| FatBoy Capital [Member] \| Notes Payable 1 [Member]
Debt Instrument, Face Amount																											$ 150,000
Related Party Notes [Member] \| FatBoy Capital [Member] \| Notes Payable 2 [Member]
Debt Instrument, Face Amount																										$ 250,000
Related Party Notes [Member] \| FatBoy Capital [Member] \| Notes Payable 3 [Member]
Debt Instrument, Face Amount																									$ 100,000
Related Party Notes [Member] \| Jenkins Family Charitable Institute [Member]
Debt Instrument, Face Amount																								$ 500,000
Related Party Notes [Member] \| Related Party [Member]
Debt Instrument, Face Amount																				$ 150,000
Debt Instrument, Interest Rate, Stated Percentage																				4.20%		12.00%	8.00%
Interest Expense, Debt											40,000	$ 45,000	80,000	90,000
Notes Payable						1,700,000					2,200,000		2,200,000
Notes Payable, Principal						1,500,000
Interest Payable											90,000		90,000									$ 21,000
Debt Instrument, Fair Value Disclosure						1,700,000
Debt Instrument, Unamortized Premium						248,000					239,000		239,000
Gain (Loss) on Extinguishment of Debt						$ (600,000)
Related Party Notes [Member] \| Related Party [Member] \| Series M Warrants [Member]
Class of Warrant or Right, Issued in Period (in shares)						170,000
June 2026 Note [Member] \| Related Party [Member]
Debt Instrument, Face Amount															$ 400,000
Debt Instrument, Interest Rate, Stated Percentage															12.00%
KardioNav Notes [Member] \| KardioNav, Inc. [Member]
Debt Instrument, Face Amount																				$ 150,000
Debt Instrument, Interest Rate, Stated Percentage																				4.20%
Interest Expense, Debt											3,000		6,000
Notes Payable						$ 306,000					312,000,000		312,000,000
Interest Payable						$ 6,000					12,000		12,000
Notes Payable, Principle											300,000		300,000
Boot Capital First Convertible Note Payable [Member]
Debt Instrument, Face Amount							$ 102,000
Debt Instrument, Unamortized Discount							2,000
Proceeds from Issuance of Debt							100,000
Boot Capital Second Convertible Note Payable [Member]
Debt Instrument, Face Amount							204,000
Debt Instrument, Unamortized Discount							4,000
Proceeds from Issuance of Debt							$ 200,000
Boot Capital Convertible Notes Payable [Member]
Debt Instrument, Interest Rate, Stated Percentage							10.00%
Long-Term Debt, Gross											0		0
Notes Payable			$ 300,000
Debt Instrument, Default Interest Rate							22.00%
Debt Instrument, Percent of Outstanding Payable Within 90 Days							120.00%
Debt Instrument, Percent of Outstanding Payable Within 90 to 180 Days							125.00%
Repayments of Debt			$ 400,000
Debt Instrument, Redemption Price, Percentage			125.00%
Extinguishment of Debt, Gain (Loss), Net of Tax			$ 100,000
February Bridge Note [Member]
Notes Payable											0		0
March Bridge Note [Member]
Debt Instrument, Face Amount					$ 2,400,000											$ 480,000
Debt Instrument, Interest Rate, Stated Percentage					12.00%
Interest Expense, Debt											16,000		21,000
Long-Term Debt, Gross											1,800,000		1,800,000
Interest Payable											19,000		19,000
Repayments of Debt													615,000
Debt Instrument, Interest Rate, Default					18.00%
March Bridge Note [Member] \| Subsequent Event [Member]
Repayments of Debt	$ 2,200,000
Debt Instrument, Amount Settled		$ 488,000
Debt Instrument, Interest Amount Settled		$ 8,000
Sellouk Note [Member]
Debt Instrument, Face Amount																			$ 365,000
Interest Expense, Debt											9,000		11,000
Notes Payable, Principal											256,000		256,000
Interest Payable											0		0
Debt Instrument, Fair Value Disclosure																			365,000
Debt Instrument, Interest, Flat Rate, Monthly																			$ 3,000
FLYTE Note Payable [Member]
Debt Instrument, Face Amount																		$ 5,000,000
Debt Instrument, Interest Rate, Stated Percentage																		0.00%
Debt Instrument, Unamortized Discount											127,000		127,000					$ 212,000
Notes Payable											3,400,000		3,400,000
Notes Payable, Principal											3,500,000		3,500,000
Debt Instrument, Fair Value Disclosure																		$ 4,800,000
Debt Instrument, Default Interest Rate																		18.00%
Debt Instrument, Convertible, Conversion Price, Percent of Initial Public Offering Price																	75.00%
Debt Instrument, Overdue Interest Rate																		4.00%
Amortization of Debt Discount (Premium)											$ 69,000		$ 85,000
FLYTE Note Payable [Member] \| Measurement Input, Discount Rate [Member]
Debt Instrument, Measurement Input																		0.10
FLYTE Note Payable [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage																		5.00%
FLYTE Note Payable [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage																		12.00%
Two Assumed Notes [Member]
Debt Instrument, Face Amount																	$ 110,000
Debt Instrument, Interest Rate, Stated Percentage											24.00%		24.00%
Notes Payable											$ 157,000		$ 157,000
Other Assumed Notes [Member]
Debt Instrument, Face Amount																		$ 1,300,000
Interest Expense, Debt											16,000		32,000
Notes Payable, Principal																		1,000,000
Interest Payable																		$ 300,000
Debt Instrument, Convertible, Conversion Price, Percent of Initial Public Offering Price																	45.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share)																	$ 1.8
SBA Loan [Member]
Debt Instrument, Face Amount										$ 63,800,000
Debt Instrument, Term (Month)										30 years
Debt Instrument, Interest Rate, Stated Percentage										3.75%
Interest Expense, Debt											1,000		1,000
Notes Payable										$ 63,000	63,000		63,000
Debt Instrument, Periodic Payment										$ 311,000
Short-term Financing Arrangement With Insurance Carrier [Member]
Debt Instrument, Face Amount									$ 249,000
Debt Instrument, Term (Month)									10 months
Debt Instrument, Interest Rate, Stated Percentage									9.99%
Interest Expense, Debt														$ 6,000
Short-term Financing Arrangement With Insurance Carrier 2 [Member]
Malpractice Insurance, Coverage Floor								$ 77,000
Payments for Malpractice Insurance								15,000
Debt Instrument, Face Amount								$ 62,000
Debt Instrument, Term (Month)								3 months
Debt Instrument, Interest Rate, Stated Percentage								11.34%
Short-term Financing Arrangement With Insurance Carrier 3 [Member]
Malpractice Insurance, Coverage Floor					$ 277,000
Payments for Malpractice Insurance					55,000
Debt Instrument, Face Amount					$ 221,000
Debt Instrument, Term (Month)					9 months
Debt Instrument, Interest Rate, Stated Percentage					9.39%
Interest Expense, Debt											3,000		7,000
Long-Term Debt, Gross											100,000		100,000
Short-term Financing Arrangement With Aviation Insurance Carrier [Member]
Debt Instrument, Face Amount				$ 156,000
Debt Instrument, Term (Month)				12 months
Debt Instrument, Interest Rate, Stated Percentage				8.99%
Interest Expense, Debt											1,000
Long-Term Debt, Gross											$ 141,000		$ 141,000
Aviation Insurance, Coverage Floor				$ 180,000
Payments for Aviation Insurance				$ 24,000
Directors and Officers Liability Insurance [Member]
Malpractice Insurance, Coverage Floor									$ 293,000
Payments for Malpractice Insurance									$ 44,000