Debt - Schedule of Notes Payable (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Apr. 01, 2016
Debt, long-term and short-term, combined amount
Total debt	$ 1,238	$ 3,261
Less current portion	(1,238)	(3,261)
Long-term debt, net of current portion	0	$ 0
Line of credit with FGI | Line of Credit
Debt, long-term and short-term, combined amount
Interest rate (as a percent)		6.50%
Total debt	1,238	$ 1,458
Convertible Debt | Two Million 8 Percent Shareholder Note Due September 2017
Debt, long-term and short-term, combined amount
Face amount of debt			$ 2,000
Interest rate (as a percent)			8.00%
Unamortized debt discount		200
Notes Payable, Other Payables | $2.0 million, 8% shareholder note due 2017
Debt, long-term and short-term, combined amount
Face amount of debt	$ 2,000
Interest rate (as a percent)	8.00%
Total debt	$ 0	$ 1,803