Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Other Liabilities Disclosure [Abstract]
Accrued warranty, current, see Note 1	$ 279
Accrued compensation, including commissions and vacation	715	$ 55
Other accrued liabilities	433	904
Total other accrued liabilities	$ 1,306	$ 959