Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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
Lease liability - Long term	1,187	1,244	1,298		1,403
Total Liabilities	17,297	17,990	18,421		4,957
Commitments and Contingencies
Stockholders' Equity:
Common stock, $0.001 par value; 20,000,000 shares authorized, 15,844,294 issued and 15,124,061 outstanding at December 31, 2022 and 13,204,487 issued and 13,204,254 outstanding at December 31, 2021	16	16	16		13
Additional paid-in capital	343,750	343,621	343,500		336,679
Treasury stock at cost, 720,000 shares, at December 31, 2022	(288)
Accumulated other comprehensive loss	(679)	(2,725)	(1,261)
Accumulated deficit	(290,969)	(284,524)	(280,034)		(271,284)
Total Stockholders' Equity	51,830	56,388	62,221	$ 68,027	65,408	$ (7,540)
Total Liabilities and Stockholders' Equity	71,861	77,112	$ 80,642		70,365
Series C convertible preferred stock
Temporary Equity
Convertible preferred stock	2,006	2,006			$ 0
Series D convertible preferred stock
Temporary Equity
Convertible preferred stock	$ 728	$ 728