Note 15 - Stockholders Equity (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

	Three Months Ended March 31,
	2023		2022
Cost of sales	$	15	$	8
Selling and marketing		109		175
General and administrative		300		229
Research and development		57		31
Total stock-based compensation	$	481	$	443

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

	Three Months Ended March 31,
	2023			2022
Expected term (in years)		6.00			6.00
Risk-free interest rate		3.41	%		2.56	%
Expected volatility		43.02	%		42.54	%
Expected dividend rate		0	%		0	%

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Number of Shares			Weighted- Average Exercise Price per Share, $		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding – January 1, 2023		849,426		$	25.05		8.23	$	209
Options granted		184,333			2.85				86
Options exercised		-			-		—		—
Options forfeited/cancelled		(23,969	)		29.70		—		—
Outstanding - March 31, 2023		1,009,790		$	20.85		8.06	$	96
Exercisable – March 31, 2023		249,397		$	52.80		5.02	$	1
Expected to vest – after March 31, 2023		760,393		$	10.35		9.06	$	95

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

	Options Outstanding						Options Exercisable
Exercise Price Range	Number		Weighted average remaining contractual term (years)		Weighted average Exercise Price		Options exercisable		Weighted average remaining contractual term (years)		Weighted average Exercise Price
$2.82 - $54.60		957,723		8.28		15.75		198,904		5.29		36.75
$63.90 - $119.25		49,270		4.01		100.35		47,696		3.93		100.80
$186.75 - $382.50		1,618		5.50		270.90		1,618		5.50		270.90
$405.00 - $438.75		650		2.01		405.15		650		2.01		405.15
$540.00 - $958.50		529		4.65		684.75		529		4.65		684.75
		1,009,790		8.06		20.85		249,397		5.02		52.80

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Number of Shares			Weighted- Average Grant Date Fair Value per Share, $
Outstanding – January 1, 2023		25,916		$	19.50
RSUs granted		—			—
RSUs forfeited/cancelled		(1,250	)		20.70
RSUs exercised		(22,000	)		20.70
Outstanding - March 31, 2023		2,666		$	8.70