Note 12 - Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Common stock options		22,892		—		7,714		—
Warrants		1,385,862		544,840		927,241		539,255
Total shares excluded from calculation		1,408,754		544,840		934,955		539,255

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

	Three Months Ended September 30,					Nine Months Ended September 30,
	2013		2012			2013			2012
EPS Numerator – Basic:
Net income (loss)	$	1,155	$	(3,114	)	$	(3,248	)	$	(9,900	)
EPS Numerator – Diluted:
Net income (loss)	$	1,155	$	(3,114	)	$	(3,248	)	$	(9,900	)
EPS Denominator:
Weighted-average common shares outstanding––Basic		8,055,360		2,811,899			5,003,677			5,461,288
Common stock equivalents: stock options and warrants		2,252,936		—			—			—
Weighted-average common shares outstanding––Diluted		10,308,296		2,811,899			5,003,677			5,461,288