Note 7 - Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

	March 31,		December 31,
	2015		2014
Unsecured promissory note - Quercus Trust (1)	$	70	$	70
Long-term debt	$	70	$	70