Discontinued Operations - Schedule of Assets and Liabilities Discontinued Operations (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Sep. 01, 2016
Current assets:
Total current assets of discontinued operations	$ 170	$ 364
Current liabilities:
Accrued expenses	767	3,830
Total current liabilities of discontinued operations	293	732
International operations | Discontinued operations, disposed of by sale
Current assets:
Cash	92	159	$ 4,250
Inventories, net		48
Prepaid expenses and other current assets	78	157
Total current assets of discontinued operations	170	364
Non-current assets:
Other assets	58	61
Total assets of discontinued operations	228	425
Current liabilities:
Accounts payable	72	43
Accrued expenses	206	689
Other current liabilities	15
Total current liabilities of discontinued operations	$ 293	$ 732