Note 14 - Equity (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	Common Stock						Additional Paid-in			Accumulated			Other Comprehensive		Total Stockholders'
	Shares			Amount			Capital			Deficit			Income		Equity
Balances at March 31, 2022		72,566,367		$	7,256		$	226,426,529		$	(58,696,989	)	$	—	$	167,736,796
Net income					—			—			2,037,062			—		2,037,062
Repurchase of common stock		(494,979	)		(49	)		—			(3,576,873	)		—		(3,576,922	)
Issuance of common stock upon vesting of RSUs		127,856			13			(13	)		—			—		—
Issuance of common stock upon exercise of warrants		824,903			82			6,120,696			—			—		6,120,778
Cash dividend ($0.45 per share)		—			—			—			(32,944,314	)		—		(32,944,314	)
Stock-based compensation		—			—			395,454			—			—		395,454
Balances at June 30, 2022		73,024,147		$	7,302		$	232,942,666		$	(93,181,114	)	$	—	$	139,768,854

	Common Stock						Additional Paid-in			Accumulated			Other Comprehensive		Total Stockholders'
	Shares			Amount			Capital			Deficit			Income		Equity
Balances at December 31, 2021		73,543,602		$	7,354		$	226,070,308		$	(51,763,255	)	$	—	$	174,314,407
Net income		—			—			—			1,676,012			—		1,676,012
Repurchase of common stock		(1,474,781	)		(147	)		—			(10,149,557	)		—		(10,149,704	)
Payment of common stock tendered for employee stock-based compensation tax obligations		(1,973	)		—			(12,533	)		—			—		(12,533	)
Issuance of common stock upon vesting of RSUs		132,396			13			(13	)		—			—		—
Issuance of common stock upon exercise of warrants		824,903			82			6,120,696			—					6,120,778
Cash dividend ($0.45 per share)		—						—			(32,944,314	)				(32,944,314	)
Stock-based compensation		—			—			764,208			—			—		764,208
Balances at June 30, 2022		73,024,147		$	7,302		$	232,942,666		$	(93,181,114	)	$	—	$	139,768,854

	Common Stock						Additional Paid-in			Accumulated			Other Comprehensive		Total Stockholders'
	Shares			Amount			Capital			Deficit			Income		Equity
Balances at March 31, 2021		76,240,439		$	7,625		$	225,211,481		$	(102,534,239	)	$	—	$	122,684,867
Net income		—			—			—			169,200			—		169,200
Repurchase of common stock		(956,022	)		(96	)		—			(6,600,414	)		—		(6,600,510	)
Issuance of common stock upon vesting of RSUs		105,000			10			(10	)		—			—		—
Stock-based compensation		—			—			467,405			—			—		467,405
Balances at June 30, 2021		75,389,417		$	7,539		$	225,678,876		$	(108,965,453	)	$	—	$	116,720,962

	Common Stock						Additional Paid-in			Accumulated			Other Comprehensive		Total Stockholders'
	Shares			Amount			Capital			Deficit			Income		Equity
Balances at December 31, 2020		77,195,704		$	7,720		$	224,978,430		$	(95,192,881	)	$	—	$	129,793,269
Net loss		—			—			—			(642,905	)		—		(642,905	)
Repurchase of common stock		(1,913,927	)		(191	)		—			(13,129,667	)		—		(13,129,858	)
Payment of common stock tendered for employee stock-based compensation tax obligations		(1,902	)		—			(13,361	)		—			—		(13,361	)
Issuance of common stock upon vesting of RSUs		109,542			10			(10	)		—			—		—
Stock-based compensation		—			—			713,817			—			—		713,817
Balances at June 30, 2021		75,389,417		$	7,539		$	225,678,876		$	(108,965,453	)	$	—	$	116,720,962