CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 24,507,000	$ 32,699,000
Accounts receivable	650,000	530,000
Prepaid expenses and other current assets	1,560,000	1,991,000
Total current assets	26,717,000	35,220,000
Property, plant, and equipment, net	14,657,000	15,775,000
Operating lease right-of-use assets	20,458,000	21,685,000
Intangible assets, net	34,953,000	35,411,000
Goodwill	434,898,000	434,898,000
Other non-current assets	1,351,000	1,422,000
Total assets	533,034,000	544,411,000
Current liabilities:
Accounts payable	6,672,000	6,127,000
Accrued expenses	1,804,000	1,747,000
Accrued compensation	3,304,000	3,858,000
Deferred revenue	1,460,000	1,210,000
Current portion of notes payable	527,000	833,000
Current portion of financing lease obligations	151,000	187,000
Current portion of operating lease obligations	5,985,000	5,927,000
Class A common stock warrants	1,808,000	1,418,000
Other current liabilities	11,000	16,000
Total current liabilities	21,722,000	21,323,000
Notes payable, net of current portion	441,000	536,000
Financing lease obligations, net of current portion	116,000	113,000
Operating lease obligations, net of current portion	15,652,000	17,025,000
Royalty liability - related parties	173,581,000	165,252,000
Other non-current liabilities	1,695,000	1,868,000
Total liabilities	213,207,000	206,117,000
Commitments and contingencies (See Note 9)
Redeemable noncontrolling interest	41,610,000	44,824,000
Stockholders’ equity:
Additional paid-in capital	783,351,000	775,017,000
Class A common stock in treasury, at cost; 39,099 shares as of March 31, 2024, and 32,663 shares as of December 31, 2023	(1,912,000)	(1,785,000)
Accumulated deficit	(503,213,000)	(479,778,000)
Accumulated other comprehensive income (loss)	(17,000)	8,000
Total stockholders’ equity	278,217,000	293,470,000
Total liabilities, redeemable noncontrolling interest, and stockholders’ equity	533,034,000	544,411,000
Class A Common Stock
Stockholders’ equity:
Common stock	8,000	8,000
Class B Common Stock
Stockholders’ equity:
Common stock	$ 0	$ 0