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Note 4 - Debt Obligations (Details Textual) - USD ($)				1 Months Ended	3 Months Ended		6 Months Ended
Note 4 - Debt Obligations (Details Textual) - USD ($)	Apr. 05, 2025	Feb. 07, 2023	Feb. 07, 2022	Jul. 31, 2020	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Interest Expense, Debt					$ 285,000	$ 115,000	$ 474,000	$ 208,000
Paycheck Protection Program CARES Act [Member] \| ONM [Member]
Long-Term Debt					47,000		47,000		$ 43,000
Proceeds from Issuance of Debt			$ 217,000
Extinguishment of Debt, Amount			$ 174,000
Economic Injury Disaster Loan [Member] \| ONM [Member]
Debt Instrument, Face Amount				$ 150,000
Debt Instrument, Interest Rate, Stated Percentage				3.75%
Debt Instrument, Periodic Payment				$ 700
Long-Term Debt					139,000		139,000		141,000
Vehicle Loan [Member]
Debt Instrument, Face Amount		$ 80,000
Debt Instrument, Interest Rate, Stated Percentage		5.29%
Debt Instrument, Periodic Payment		$ 1,000
Long-Term Debt					35,000		35,000		42,000
Term Loan Agreement [Member]
Debt Instrument, Face Amount	$ 50,000
Debt Instrument, Interest Rate, Stated Percentage	7.98%
Debt Instrument, Periodic Payment	$ 2,000
Long-Term Debt					$ 31,000		$ 31,000		$ 39,000