Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net loss	$ (3,762)	$ (3,535)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of right-of-use assets	92
Depreciation	7
Change in fair value of short-term investment		886
Change in fair value of long-term investment		(1,408)
Stock-based compensation	5
Realized loss on marketable securities	56	224
Unrealized loss on marketable securities	130	333
Realized gain on sale of digital currencies		(64)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(221)	66
Prepaid acquisition cost	301
Accounts payable and accrued expenses	(19)	(172)
Accrued salaries and benefits	(528)	6
Lease liabilities	7
Other current liabilities	3
Notes receivable, at fair value – net interest accrued	(62)	(179)
Deposit		7
Net cash used in operating activities	(3,991)	(3,836)
Cash flows from investing activities
Purchase of marketable securities	(17,519)	(27,096)
Sale of marketable securities	68	24,662
Proceeds from sale of digital currencies		93
Purchase of fixed assets	(361)
Acquisition of FPS, net of cash acquired and receivable owed from FPS	(1,149)
Collection of principal on note receivable	250
Purchase of short-term and long-term investments		(7,737)
Net cash used in investing activities	(18,711)	(10,078)
Cash flows from financing activities
Proceeds from issuance of Series O and Series P Redeemable Convertible Preferred Stock, net of discount and offering cost		18,991
Purchase of treasury stock	(939)
Net cash (used in) provided by financing activities	(939)	18,991
Net (decrease) increase in cash and cash equivalents and restricted cash	(23,641)	5,077
Cash and cash equivalents, beginning of period	33,174	65,562
Cash and cash equivalents, end of period	9,533	70,639
Non-cash investing and financing activities
Transfer from short-term investment to marketable securities		1,482
Reclassify from convertible note receivable to notes receivable at fair value		$ 2,147
On March 27, 2023, the Company acquired all assets and liabilities of FPS as disclosed in Note 4:
Net assets acquired, net of cash acquired and receivable owed from FPS	3,149
Less - Deposit previously transferred in October 2022 to FPS	(2,000)
Net cash paid	$ 1,149