Note 6 - Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	December 31,
	2013		2012
Accounts payable	$	4,498	$	1,924
Accrued salaries, and other employee benefits		1,859		529
Accrued severance		1,502		47
Accrued warranty (Note 14)		118		50
Accrued medical costs		136		197
Other		1,127		353
	$	9,240	$	3,100