Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash Flows Used in Operating Activities:
Net loss	$ (11,978)	$ (16,755)
Adjustments to reconcile net loss to net cash used in operating activities:
Share based compensation	765	1,445
Loss on note settlement with issuance of preferred shares	0	375
Common shares issued to license agreement	0	75
Impairment of intangibles and other assets	1,116	5,176
Amortization of intangibles	70	330
Amortization of debt issuance costs	360	0
Amortization of debt discount	0	113
Depreciation	12	3
Non-cash interest expense	326	37
Loss on settlement	0	875
Bad debt expense	32	68
Gain on termination of lease	(7)	0
Loss on disposal of fixed assets	60	0
Write-off of obsolete of inventory	26	124
Changes in operating assets and liabilities:
Accounts receivable	16	(117)
Inventory	(240)	(204)
Prepaid expenses and other assets	(239)	(451)
Accounts payable	1,133	(703)
Accrued expenses	(166)	132
Accrued fee payable	0	(320)
Due to related party	(24)	186
Net Cash Used in Operating Activities	(8,738)	(9,611)
Cash Flows Provided by (Used in) Investing Activities:
Purchase of furniture and fixtures	0	(74)
Net Cash Provided by (Used in) Investing Activities	0	(74)
Cash Flows Provided By Financing Activities:
Proceeds from sale of preferred stock, net offering expenses	0	13,891
Repurchase of Series F Preferred stock	(100)	0
Proceeds from notes payable due to related party	0	0
Repurchase of common stock for settlement, related party	0	(250)
Proceeds from issuance of notes payable	5,677	0
Proceeds from exercise of warrants for common stock	0	0
Payments for notes payable	0	(144)
Notes payable issuance costs	(707)	0
Net Cash Provided by Financing Activities	4,870	13,497
Net (decrease)/increase in cash	(3,868)	3,812
Cash – Beginning of Period	3,918	106
Cash - End of Period	50	3,918
Non-cash Investing and Financing Activities:
Conversion of Series E Preferred stock for common stock	4	0
Issuance of warrants for liabilities, related party	0	1,493
Preferred share settlement of debt and accrued liabilities	0	3,438
Issuance of warrants	0	32,599
Accrued dividends	1,505	1,064
Cancellation of Series E Preferred Stock	0	46
Goodwill reclassified to inventory	0	161
Shares issued for settlement of litigation	$ 0	$ 251