Note 6 - Other Accrued Liabilities (Details) - Other Accrued Liabilities (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Other Accrued Liabilities [Abstract]
Accrued professional fees	$ 342	$ 304
Accrued salaries and employee benefits	300	465
Accrued financing expenses	301	301
Accrued rent	1,480	916
Other accrued liabilities	74	57
Total other accrued liabilities	$ 2,497	$ 2,043