Note 15 - Quarterly Results of Operations (Unaudited) (Details) - Quarterly Results of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended						4 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Oct. 31, 2012	Dec. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Quarterly Results of Operations (Unaudited) [Abstract]
Net sales	$ 2,748	$ 2,562	$ 3,440	$ 2,881	$ 2,952	$ 3,355	$ 3,453	$ 2,191
Gross profit (loss)	820	(199)	1,509	370	872	1,269	944	461	2,591	3,455	3,691
Net (loss)	$ (677)	$ (2,169)	$ (251)	$ (3,443)	$ (3,301)	$ (1,673)	$ (1,946)	$ (2,527)	$ (5,624)	$ (10,363)	$ (4,107)
Basic and diluted (in Dollars per share)	$ (0.06)	$ (0.18)	$ (0.02)	$ (0.28)	$ (0.27)	$ (0.14)	$ (0.16)	$ (0.21)	$ (0.46)	$ (0.85)	$ (0.34)