Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 34,496	$ 65,562
Marketable securities	8,032	11,427
Prepaid expenses and other assets	693	442
Short-term investments at fair value	33	2,273
Notes receivable at fair value	8,645	6,984
Deposits	4,193	4,201
Total current assets	56,092	90,889
Convertible note receivable at fair value		2,147
Notes receivable at fair value	1,100
Investments	26,089	9,465
Right-of-use assets	708
Security deposit	458	155
Total assets	84,447	102,656
Current liabilities
Accounts payable and accrued expenses	518	381
Accrued salaries and benefits	1,339	680
Lease liability - current	42
Total current liabilities	1,899	1,061
Lease liability	701
Total liabilities	2,600	1,061
Stockholders’ equity
Preferred stock, $.0001 par value, 50,000,000 Authorized
Series D: 5,000,000 shares designated; 3,825 shares issued and outstanding at September 30, 2022 and December 31, 2021; liquidation value of $0.0001 per share
Series D-1: 5,000,000 shares designated; 834 shares issued and outstanding at September 30, 2022 and December 31, 2021; liquidation value of $0.0001 per share
Common stock, $0.0001 par value, 100,000,000 shares authorized; 5,485,096 and 5,275,329 shares issued at September 30, 2022 and December 31, 2021, respectively; 5,140,114 and 5,275,329 shares outstanding at September 30, 2022 and December 31, 2021, respectively
Additional paid-in capital	262,973	265,633
Treasury stock, at cost, 344,982 and 0 shares at September 30, 2022 and December 31, 2021, respectively	(2,501)	(264)
Accumulated deficit	(178,625)	(163,774)
Total stockholders’ equity	81,847	101,595
Total liabilities and stockholders’ equity	$ 84,447	$ 102,656