Note 2 - Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Prepaid Expenses and Other Current Assets [Table Text Block]

	December 31,
	2014		2013
Foreign research and development tax credit	$	337	$	381
Prepaid insurance		79		75
Prepaid maintenance contracts		21		59
Prepaid inventory		-		415
Prepaid rent		-		38
Prepaid other		91		73
Total prepaid expenses and other current assets	$	528	$	1,041