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Exercise price per share or per unit of warrants or rights outstanding.

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Note 12 - Stockholders' Equity (Details Textual) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Aug. 30, 2024 shares	Jun. 09, 2021 shares	Sep. 30, 2022 shares	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2023 $ / shares
Share-Based Payment Arrangement, Expense \| $				$ 1,300
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) \| shares				0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares) \| shares				554,061	183,389
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares				$ 5.9	$ 4.02
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) \| shares				224,500	358,700
Warrants and Rights, Exercisable, Weighted Average Contractual Life (Year)				2 years 3 months
Intrinsic Value, Shares of Common Stock, Underlying the Exercisable Warrants \| $				$ 0
Class of Warrant or Right Exercised During Period (in shares) \| shares				0	128,411
Proceeds from Warrant Exercises \| $				$ 0	$ 809
Consultant for Investor Relations Services [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares				200,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares				$ 17	$ 17		$ 9.8
Warrants and Rights Outstanding, Term (Year)				5 years
Warrant, Fair Value, Per Share (in dollars per share) \| $ / shares				$ 8.05
Warrants and Rights Outstanding \| $				$ 1,600
Warrants and Rights Expense \| $				300
Class of Warrant or Right, Total Compensation Cost Not Yet Recognized \| $				$ 700
Class of Warrant or Right, Total Compensation Cost, Not yet Recognized, Period for Recognition (Year)				2 years 3 months
Class of Warrant or Right Exercised During Period (in shares) \| shares				(0)	128,411
Consultant for Investor Relations Services [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input				0.0386
Consultant for Investor Relations Services [Member] \| Measurement Input, Expected Dividend Rate [Member]
Warrants and Rights Outstanding, Measurement Input				0
Consultant for Investor Relations Services [Member] \| Measurement Input, Expected Term [Member]
Warrants and Rights Outstanding, Measurement Input				2.5
Consultant for Investor Relations Services [Member] \| Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input				0.996
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense \| $				$ 400	$ 800
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $				$ 3,900
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				5 years 3 months 18 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) \| $ / shares				$ 1.22	$ 4.02
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Expense \| $				$ 500
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $				0
Restricted Stock [Member]
Share-Based Payment Arrangement, Expense \| $				$ 400	$ 500
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value \| $					$ 400
Unreleased Common Stock (in shares) \| shares				0
The 2021 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) \| shares		2,000,000
Shares Reserved for Future Issuance, Percentage Increase		5.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) \| shares				3,900,000
The 2021 Equity Incentive Plan [Member] \| Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) \| shares				870,000
The 2021 Equity Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member] \| Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) \| shares				222,656
The 2021 Equity Incentive Plan [Member] \| Performance Shares [Member] \| Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) \| shares				187,031
The 2021 Equity Incentive Plan [Member] \| Restricted Stock [Member] \| Chief Executive Officer [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage						50.00%
The 2021 Equity Incentive Plan [Member] \| Restricted Stock [Member] \| Chief Executive Officer [Member] \| Share-Based Payment Arrangement, Tranche Two [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage						50.00%
The 2011 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) \| shares		630,000
Company Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)				4 years
Company Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member] \| Share-Based Payment Arrangement, Employee, New [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)				10 years
Company Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member] \| Share-Based Payment Arrangement, Employee, Existing [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)				10 years
The 2022 Common Stock Purchase Agreement and Registration Rights Agreement [Member]
Stock Issued During Period, Shares, New Issues (in shares) \| shares			10,484		281,157	281,157
Stock Issued During Period, Value, New Issues \| $						$ 3,000
Proceeds from Issuance or Sale of Equity \| $					$ 3,000
Payments of Stock Issuance Costs \| $					$ 500
Telcom [Member]
Stock Issued During Period, Shares, Acquisitions (in shares) \| shares	27,836			59,546	82,506