CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash Flows from Operating Activities:
Net loss	$ (3,774)	$ (3,842)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	66	73
Non-cash share-based compensation	108	218
Capitalized debt discount	(13)	(172)
Amortization of debt discount and deferred debt issue costs	66	87
Amortization of intangible asset	207	207
Loss (gain) on debt extinguishment	2,600	(296)
Loss on disposals of property, plant and equipment	1
Changes in assets and liabilities:
Royalty receivable	55	(66)
Collaboration revenue receivable from related party	(78)
Prepaid expenses and other current assets	44	109
Income tax receivable	67
Accounts payable	(368)	602
Accrued expenses	(11)	(343)
Accrued interest on loan		(566)
Accrued interest on related party loans	394	110
Other current liabilities	18	2
Sales returns liability		(31)
Net cash used in operating activities	(618)	(3,908)
Cash Flows from Financing Activities:
Proceeds from distribution of restricted stock units	14	2
Proceeds from related party loans	1,375	4,350
Principal payments loan		(2,573)
Net cash provided by financing activities	1,389	1,779
Net increase (decrease) in cash	771	(2,129)
Cash at beginning of period	91	2,220
Cash at end of period	$ 862	91
Supplemental disclosure of cash flow information:
Cash interest payments on loan		$ 759