Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited) - Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Current Assets
Cash and cash equivalents	$ 41,786	$ 50,490	$ 52,266	$ 67,325
Prepaid expenses and other current assets	3,734	2,241	2,622	1,533
Total Current Assets	45,520	52,731	54,888	68,858
Non-Current Assets
Property and equipment, net	345	262	285	101
Restricted cash	99	90	96
Right of use asset	1,199	1,246	1,292	1,383
In-process research and development	19,150	17,537	17,840
Goodwill	5,525	5,223	6,218
Deposits and other assets	23	23	23	23
Total Assets	71,861	77,112	80,642	70,365
Current Liabilities:
Accounts payable	915	770	1,003	524
Accrued expenses	1,496	1,411	1,987	1,928
Accrued employee benefits	1,403	1,319	788	978
Contingent consideration, current portion	2,973	8,614	8,457
Loans payable-current	57	52	56
Operating lease liability	216	157	128	124
Total Current Liabilities	7,060	12,323	12,419	3,554
Non-current Liabilities
Non-current contingent consideration	7,211	2,237	2,195
Loan Payable - Long term	221	202	216
Deferred tax liabilities, net	1,618	1,984	2,293
Non-current lease liability	1,187	1,244	1,298	1,403
Total Liabilities	17,297	17,990	18,421	4,957
Commitments and Contingencies
Stockholders' Equity (Deficit):
Common Stock	16	16	16	13
Additional paid-in capital	343,750	343,621	343,500	336,679
Accumulated other comprehensive loss	(679)	(2,725)	(1,261)
Accumulated deficit	(290,969)	(284,524)	(280,034)	(271,284)
Total Stockholders' Equity		56,388	62,221
Total Liabilities and Stockholders' Equity	71,861	77,112	80,642	70,365
Series C convertible preferred stock
Non-current Liabilities
Convertible preferred stock	2,006	2,006		$ 0
Series D convertible preferred stock
Non-current Liabilities
Convertible preferred stock	$ 728	728
As Previously Reported
Current Assets
Cash and cash equivalents		50,490	52,266
Prepaid expenses and other current assets		2,241	2,622
Total Current Assets		52,731	54,888
Non-Current Assets
Property and equipment, net		262	285
Restricted cash		90	96
Right of use asset		1,246	1,292
In-process research and development		20,089	20,562
Goodwill		4,254	5,185
Deposits and other assets		23	23
Total Assets		78,695	82,331
Current Liabilities:
Accounts payable		770	1,003
Accrued expenses		1,411	1,987
Accrued employee benefits		1,319	788
Contingent consideration, current portion		9,483	9,302
Loans payable-current		52	56
Operating lease liability		157	128
Total Current Liabilities		13,192	13,264
Non-current Liabilities
Non-current contingent consideration		2,419	2,374
Loan Payable - Long term		202	216
Deferred tax liabilities, net		3,489	3,505
Non-current lease liability		1,244	1,298
Total Liabilities		20,546	20,657
Commitments and Contingencies
Stockholders' Equity (Deficit):
Common Stock		16	16
Additional paid-in capital		343,621	343,500
Accumulated other comprehensive loss		(2,844)	(1,317)
Accumulated deficit		(285,378)	(280,525)
Total Stockholders' Equity		55,415	61,674
Total Liabilities and Stockholders' Equity		78,695	82,331
As Previously Reported | Series C convertible preferred stock
Non-current Liabilities
Convertible preferred stock		2,006
As Previously Reported | Series D convertible preferred stock
Non-current Liabilities
Convertible preferred stock		728
Other Immaterial Adjustments
Non-Current Assets
In-process research and development		(2,552)	(2,722)
Goodwill		969	1,033
Total Assets		(1,583)	(1,689)
Current Liabilities:
Contingent consideration, current portion		(869)	(845)
Total Current Liabilities		(869)	(845)
Non-current Liabilities
Non-current contingent consideration		(182)	(179)
Deferred tax liabilities, net		(638)	(680)
Total Liabilities		(1,689)	(1,704)
Commitments and Contingencies
Stockholders' Equity (Deficit):
Accumulated other comprehensive loss		119	56
Accumulated deficit		(13)	(41)
Total Stockholders' Equity		106	15
Total Liabilities and Stockholders' Equity		(1,583)	(1,689)
Restatement Adjustments
Non-current Liabilities
Deferred tax liabilities, net		(867)	(532)
Total Liabilities		(867)	(532)
Commitments and Contingencies
Stockholders' Equity (Deficit):
Accumulated deficit		867	532
Total Stockholders' Equity		$ 867	$ 532