CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities:
Net loss	$ (807)	$ (55,512)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	10	30
Share-based compensation	1,894	958
Change in fair value of contingent consideration	(12,900)	48,160
Changes in operating assets and liabilities:
Accounts receivable (net)	20,000	(2,886)
Other receivables	2,441	0
Prepaid expenses and other current assets	9,682	(6,250)
Long term prepaid expenses	(10,109)	0
Other assets	38	91
Accounts payable	(2,187)	(1,098)
Accrued expenses and other liabilities	(908)	(468)
Deferred revenue	0	(1,500)
Net cash provided (used in) operating activities	7,154	(18,475)
Cash Flows from Investing Activities:
Net cash used in investing activities	0	0
Cash Flows from Financing Activities:
Proceeds from exercises of common stock warrants	0	469
Proceeds from issuance of common stock under ATM Offering, net of issuance costs	0	72,543
Proceeds from exercises of stock options	0	39
Net cash provided by financing activities	0	73,051
Net increase in cash, cash equivalents and restricted cash	7,154	54,576
Cash, cash equivalents and restricted cash - beginning of period	162,656	55,409
Cash, cash equivalents and restricted cash - end of period	169,810	109,985
Supplemental cash flow disclosure:
Cash paid for amounts included in the measurement of lease liabilities	$ 43	$ 43