Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31,
Net Revenue	2021		2020
(dollars in thousands)
Software and royalties	$	383	$	872
Hardware and consumables		290		84
Services		181		1,275
Maintenance		2,618		2,554
Total net revenue	$	3,472	$	4,785

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

(Amounts in thousands except share and per share amounts)	Twelve Months Ended December 31,
	2021			2020
Numerator for basic and diluted income (loss) per share:
Net income (loss)	$	9,282		$	(7,253	)
Preferred dividends, deemed dividends and accretion		(8,116	)		(3,695	)
Net income (loss) available to common shareholders	$	1,166		$	(10,948	)
Effective of dilutive securities:
Preferred dividends, deemed dividends and accretion		—			—
Net income (loss) available to common shareholders after assumed conversions		1,166			(10,948	)
Denominator for basic income (loss) per share – weighted-average shares outstanding		312,119,417			133,346,309
Effect of dilutive securities:
Options		5,750,000			—
Warrants		2,787,311			—
Convertible preferred stock		—			—
Denominator for diluted income (loss) – adjusted weighted average shares and assumed conversions		320,656,728			133,346,309
Basic income (loss) per share available to common shareholders	$	0.00		$	(0.08	)
Diluted income (loss) per share available to common shareholders	$	0.00		$	(0.08	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Potential Dilutive Securities:	Common Share Equivalents at December 31, 2021		Common Share Equivalents at December 31, 2020
Convertible redeemable preferred stock – Series A		—		74,555,000
Convertible redeemable preferred stock – Series A-1		—		73,910,000
Convertible redeemable preferred stock – Series B		46,631		46,029
Convertible redeemable preferred stock – Series D		398,222,985		392,166,023
Stock options		4,848,876		2,585,500
Restricted stock units (“RSUs”)		81,019,401		845,106
Warrants		3,150,000		753,775
Total Potential Dilutive Securities		487,287,893		544,861,433