Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2023	Dec. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 13,783,000	$ 19,993,000
Accounts receivable, net of allowance for credit losses of $178 and $154, respectively	1,882,000	2,012,000
Marketable equity securities	441,000	433,000
Prepaid expenses and other current assets	672,000	977,000
Assets held for sale	139,000
Current assets of discontinuing operations		2,121,000
Total current assets	16,917,000	25,536,000
NONCURRENT ASSETS
Right-of-use and financing lease assets, net	1,757,000	2,088,000
Machinery and equipment, net, and construction in progress	4,076,000	8,763,000
Intangible assets, net	56,617,000	61,633,000
Restricted cash	1,700,000	1,700,000
Other noncurrent assets	520,000	371,000
TOTAL ASSETS	81,587,000	100,091,000
CURRENT LIABILITIES
Accounts payable	1,136,000	1,253,000
Accrued compensation	1,722,000	1,771,000
Accrued royalties	1,116,000	2,022,000
Accrued expenses and other current liabilities	826,000	1,817,000
Accrued severance from acquisition	2,314,000	2,314,000
Accrued liabilities from acquisition	109,000	109,000
Right-of-use and financing lease liabilities, current	720,000	815,000
Current liabilities of discontinuing operations	90,000	2,005,000
Total current liabilities	8,033,000	12,106,000
NONCURRENT LIABILITIES
Right-of-use and financing lease liabilities, noncurrent	2,354,000	2,729,000
Contingent consideration liabilities	28,715,000	45,662,000
TOTAL LIABILITIES	39,102,000	60,497,000
Commitments and contingencies
Series A Redeemable Convertible Preferred Stock, no par value; stated value $1,000 per share; 5 and 6 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively; aggregate liquidation preference of $5,217 and $6,091 as of September 30, 2023 and December 31, 2022, respectively	4,923,000	5,302,000
SHAREHOLDERS’ EQUITY
Preferred stock, no par value, 5,000 shares authorized; no shares issued and outstanding
Common stock, no par value, 230,000 shares authorized; 8,261 and 5,932 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	309,995,000	294,929,000
Accumulated other comprehensive income	32,000	39,000
Accumulated deficit	(272,465,000)	(260,676,000)
Total shareholders’ equity	37,562,000	34,292,000
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 81,587,000	$ 100,091,000