Note 12 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	December 31, 2016		December 31, 2015
Risk-free interest rate		0.66%		1.02%
Expected life (in years)		4.7		3.5
Expected volatility		145.71%		54.47%
Dividend yield		-		-

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

	2016		2015
SARs	$	-	$	823
Performance awards		-		254
RSUs and restricted stock		109		2,940
Options		22		-
Total stock-based compensation expense	$	131	$	4,017

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block]

			Weighted-		Weighted-Average
			Average		Remaining		Aggregate
			Grant		Contractual		Intrinsic
	Shares		Price		Period (in years)		Value
Outstanding at January 1, 2016		102,680	$	46.71		2.74	$	-
Granted		87,871		1.60		9.80		-
Exercised		-
Forfeited or expired		-
Outstanding at December 31, 2016		190,551		25.80		5.42		632
Exercisable at December 31, 2016		117,334		41.05		2.69		106
Vested and expected to vest		183,229		26.88		5.25		580

Schedule of Share-based Compensation, Stock Appreciation Rights Award Activity [Table Text Block]

	Shares			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2016		-		$	-
Granted		87,871			1.37
Vested		(14,654	)		1.37
Forfeited		-			-
Nonvested at December 31, 2016		73,217		$	1.37

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

				Weighted-		Average
				Average		Remaining		Aggregate
				Grant Date		Vesting		Intrinsic
	Shares			Fair Value		Period (in years)		Value
Nonvested at January 1, 2016		-		$	-		-	$	-
Granted		131,688		$	2.51		-		-
Vested		-		$	-		-		-
Forfeited		(29,319	)	$	2.56		-		-
Nonvested at December 31, 2016		102,369		$	2.49		2.14	$	502