CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities:
Net loss	$ (965)	$ (3,929)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	42	51
Non-cash share-based compensation	27	87
Capitalized debt discount	0	(13)
Amortization of debt discount and deferred debt issue costs	0	66
Amortization of intangible asset	64	155
Loss on debt extinguishment	0	2,600
Impairment charge on intangible asset	668	0
Loss on disposal of equipment	0	1
Changes in operating assets and liabilities:
Royalty receivable	75	(34)
License fee receivable - related party	(800)	0
Collaboration revenue receivable from related party	(37)	(10)
Prepaid expenses and other current assets	(86)	(19)
Income taxes refundable	67	67
Accounts payable	47	(275)
Accrued expenses	136	89
Sales return liability	(223)	0
Accrued interest on related party loans	338	6
Other current liabilities	8	18
Net cash used in operating activities	(639)	(1,140)
Cash Flows from Financing Activities:
Proceeds from distribution of restricted stock units	3	14
Statutory minimum payroll withholding taxes paid on the distribution of shares pursuant to RSU award plan	(2)	0
Proceeds from loan under CARES Act	269	0
Proceeds from related party loans	0	1,650
Net cash provided by financing activities	270	1,664
Net increase (decrease) in cash	(369)	524
Cash at beginning of period	862	91
Cash at end of end of period	$ 493	$ 615