Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 198	$ 1,030
Prepaid expenses	463	574
Other current assets	26	25
Total current assets	687	1,629
Intangible assets, net	1,696	1,785
Operating lease right-of-use assets	7	7
Other assets, net	17	19
Total assets	2,407	3,440
CURRENT LIABILITIES:
Accounts payable	944	706
Accrued expenses:
Salaries and wages	43	27
Professional fees	56	109
Other accrued expenses	488	555
Related party note payable, current portion	94	94
Operating lease liabilities, current portion	116	155
Total current liabilities	1,741	1,646
LONG-TERM LIABILITES:
Secured contingent payment obligation	36,212	37,372
Unsecured contingent payment obligations	4,549	5,691
Convertible notes, net	2,870	2,895
Related party note payable, net of current portion	585	609
Operating lease liabilities, net of current portion	3	4
Total long-term liabilities	44,219	46,571
Total liabilities	45,960	48,217
SHAREHOLDERS' DEFICIT:
Common stock, $.01 par value, 150,000 shares authorized, 77,814 and 76,992 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	778	770
Additional paid-in capital	388,749	387,865
Accumulated deficit	(433,080)	(433,412)
Total shareholders' deficit	(43,553)	(44,777)
Total liabilities and shareholders' deficit	$ 2,407	$ 3,440