Note 9 - Loss Per Share (Tables)

3 Months Ended

6 Months Ended

Jun. 30, 2014

Jun. 30, 2014

Earnings Per Share [Abstract]

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

	For the Three-Months Ended June 30, 2014 As Previously Reported			Correction			For the Three-Months Ended June 30, 2014 As Restated
Net loss per common share — basic and diluted	$	(0.28	)	$	(0.12	)	$	(0.40	)
Weighted average number of common shares outstanding – basic and diluted		19,913			(6,024	)		13,889

	For the Six-Months Ended June 30, 2014 As Previously Reported			Correction			For the Six-Months Ended June 30, 2014 As Restated
Net loss per common share -- basic and diluted	$	(0.06	)	$	(0.02	)	$	(0.08	)
Weighted average number of common shares outstanding – basic and diluted		14,758			(3,002	)		11,756

	Three-Months Ended June 30,						Six-Months Ended June 30,
	2014 As Restated			2013			2014 As Restated			2013
Numerator for basic and diluted loss per share:
Loss from continuing operations	$	(5,558	)	$	(1,542	)	$	(933	)	$	(2,852	)
Denominator for basic and diluted loss per share:
Basic and diluted weighted-average shares outstanding (1)		13,889			9,042			11,756			8,941
Loss per share— basic and diluted:
Total — basic and diluted	$	(0.40	)	$	(0.17	)	$	(0.08	)	$	(0.32	)

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

	June 30, 2014		June 30, 2013
	(in thousands)
Stock options		2,238		2,712
Warrants		16,255		436
Shares issuable under investor relations consulting agreement		200	__
Shares issuable upon conversion of convertible notes payable		10,039		2,185
		28,732		5,333