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Note 10 - Capital Stock and Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule Of Stock Options And Restricted Stock Units Activity Roll forward [Table Text Block]

						Weighted
		Stock				Average
		Options				Exercise				RSUs				Grant Date				PRSUs				Grant Date
		Outstanding				Price				Outstanding				Fair Value				Outstanding				Fair Value
Balance at December 31, 2022			1,238,776			$	3.15				1,093,801			$	3.94				646,235			$	4.51
Granted			-				-				1,177,391				2.51				558,958				2.61
Exercised			(39,618	)			2.63				-				-				-				-
Vested (RSUs)			-				-				(125,036	)			1.93				-				-
Cancelled/Forfeited			(29,201	)			2.99				(3,122	)			5.54				-				-
Balance at March 31, 2023			1,169,957			$	3.17				2,143,034			$	3.27				1,205,193			$	3.63

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended March 31,
(in thousands)		2023				2022
Cost of revenues		$	69			$	36
Sales and marketing expenses			145				154
General and administrative expenses			869				791
Research and development expenses			70				42
Total stock-based compensation expenses		$	1,153			$	1,023

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended March 31,
(in thousands)		2023				2022
Weighted average shares outstanding - basic			42,119				41,219
Dilutive effect of equity awards			664				-
Weighted average shares outstanding - diluted			42,783				41,219
Shares excluded from diluted loss per share due to their anti-dilutive effect			1,167				3,505

Black Scholes Option Pricing Model [Member]

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2023
Volatility			56.8	%
Risk-free interest rate			4.6	%
Correlation coefficient			41.7	%
Dividend yield			-	%

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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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-Topic 260
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