Note 6 - Accounts Payable and Accrued Expenses (Details) - Accounts Payable and Accrued Expenses (Incomplete) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounts Payable and Accrued Expenses (Incomplete) [Abstract]
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