Long-Term Debt and Other Financing Arrangements - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Nov. 20, 2015	Dec. 04, 2014	Oct. 22, 2013	Mar. 14, 2013
Convertible Notes Payable and Loans Payable
Total debt	$ 13,533	$ 15,832
Less current maturities	(11,703)	(3,048)
Long-term debt, less current portion	$ 1,830	12,784
Convertible Notes | Dominion Capital
Convertible Notes Payable and Loans Payable
Interest rate	9.75%		9.75%
Total debt	$ 3,500	4,000
Unamortized debt discount, costs and fees of issuance—Dominion Capital	770	0
Unamortized debt discount, costs and fees of issuance—Dominion Capital	$ 0	(1,016)
Convertible Notes | Stanley House
Convertible Notes Payable and Loans Payable
Interest rate	2.00%
Total debt	$ 3,058	5,502
Senior secured debt—HSBC Bank PLC
Convertible Notes Payable and Loans Payable
Interest rate	1.10%
Total debt	$ 2,461	2,984
Promissory note—payable to former shareholder of TLC
Convertible Notes Payable and Loans Payable
Interest rate	6.00%					2.63%
Total debt	$ 2,750	3,003
Promissory note—Lega Enterprises, LLC (formerly Agel Enterprises, LLC) | Lega Enterprises, LLC
Convertible Notes Payable and Loans Payable
Interest rate	5.00%				5.00%
Total debt	$ 778	1,043
Other miscellaneous notes
Convertible Notes Payable and Loans Payable
Interest rate	4.00%			4.00%
Total debt	$ 216	$ 316