Note 15 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

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

	Options Outstanding
	Number of Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)		Weighted- Average Grant-Date Fair Value		Aggregate Intrinsic Value(1)
Balance at December 31, 2018		1,121,332	$	1.52		—	$	0.99	$	—
Options granted		—	$	—		—	$	—	$	—
Exercised		—	$	—		—	$	—	$	—
Cancelled/forfeited		—	$	—		—	$	—	$	—
Balance at June 30, 2019		1,121,332	$	1.52		5.61	$	0.99	$	—
Vested and exercisable as of June 30, 2019		1,121,332	$	1.52		5.61	$	0.99	$	—
Vested and exercisable as of June 30, 2019 and expected to vest thereafter		1,121,332	$	1.52		5.61	$	0.99	$	—

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Selling, general and administrative expense	$	—	$	88	$	—	$	161
Total stock-based compensation expense	$	—	$	88	$	—	$	161