Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flow from operating activities:
Net income (loss)	$ (1,564)	$ (9,804)
Income (loss) from discontinued operations	6,823	(4,829)
Loss from continuing operations	(8,387)	(4,975)
Net cash used in operating activities of continuing operations:
Depreciation and amortization	571	694
Stock and share-based compensation	904	841
Change in fair value of derivative warrant and conversion liabilities	(808)	(314)
Loss on extinguishment of debt	8,290	0
Gain on resolution of Irgovel purchase litigation	0	(1,598)
Interest accreted	1,000	497
Deferred taxes	(5,033)	(1,344)
Other	55	0
Changes in operating assets and liabilities:
Accounts receivable	(290)	(182)
Inventories	213	576
Accounts payable and accrued expenses	(1,310)	3
Other	465	53
Net cash used in operating activities of continuing operations	(4,330)	(5,749)
Net cash provided by operating activities of discontinued operations	1,513	3,714
Net cash used in operating activities	(2,817)	(2,035)
Cash flows from investing activities:
Purchases of property	(596)	(208)
Net cash used in investing activities of continuing operations	(596)	(208)
Net cash provided by (used in) investing activities of discontinued operations	16,604	(252)
Net cash provided by (used in) investing activities	16,008	(460)
Cash flows from financing activities:
Payments of debt	(19,728)	(24,124)
Proceeds from issuance of debt, net of issuance costs	3,779	23,752
Proceeds from issuance of debt and warrants, net of issuance costs	5,518	300
Proceeds from issuance of preferred stock and warrants, net of issuance costs	1,747	2,554
Net proceeds from issuance of common stock	2,778	0
Other	(23)	(9)
Net cash provided by (used in) financing activities of continuing operations	(5,929)	2,473
Net cash provided by (used in) financing activities of discontinued operations	1,232	(551)
Net cash provided by (used in) financing activities	(4,697)	1,922
Effect of exchange rate changes on cash and cash equivalents of discontinued operations	126	(182)
Net change in cash and cash equivalents and restricted cash	8,620	(755)
Cash and cash equivalents and restricted cash, beginning of period
Cash and cash equivalents	342	966
Restricted cash	0	1,921
Cash and cash equivalents and restricted cash, beginning of period	342	2,887
Cash and cash equivalents and restricted cash, end of period
Cash and cash equivalents	8,187	2,132
Restricted cash	775	0
Cash and cash equivalents and restricted cash, end of period	8,962	2,132
Supplemental disclosures, continuing operations:
Cash paid for interest of continuing operations	729	780
Cash paid for income taxes of continuing operations	$ 0	$ 20