Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net loss	$ (12,425)	$ (8,612)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of right-of-use assets	182
Depreciation	32
Change in fair value of short-term investment		1,646
Change in fair value of long-term investment		(1,408)
Stock-based compensation	2,675	105
Realized loss on marketable securities	487	568
Unrealized (gain) loss on marketable securities	(514)	2,299
Unrealized loss on note receivable	212
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(229)	153
Prepaid acquisition cost	301
Deposits with clearing broker	(3,532)
Accounts payable and accrued expenses	(428)	(239)
Accrued salaries and benefits	(628)	7
Accrued commissions	(8)
Lease liabilities	58
Other current liabilities	3
Notes receivable, at fair value – net interest accrued	(99)	(377)
Deposit		8
Net cash used in operating activities	(13,913)	(5,850)
Cash flows from investing activities
Purchase of marketable securities	(34,014)	(27,460)
Sale of marketable securities	20,494	28,272
Proceeds from sale of digital currencies		93
Purchase of fixed assets	(419)
Acquisition of FPS, net of cash acquired and receivable owed from FPS	(1,112)
Collection of principal on note receivable	502
Funds to employee forgivable loan	(100)
Purchase of short-term and long-term investments	(75)	(14,605)
Purchase of short-term and long-term promissory notes		(1,600)
Net cash used in investing activities	(14,724)	(15,300)
Cash flows from financing activities
Proceeds from issuance of Series O and Series P Redeemable Convertible Preferred Stock, net of discount and offering cost		17,891
Payment for fractional shares		(26)
Redemption of Series O and Series P Redeemable Convertible Preferred Stock		(22,000)
Purchase of treasury stock	(939)	(1,486)
Net cash used in financing activities	(939)	(5,621)
Net decrease in cash and cash equivalents and restricted cash	(29,576)	(26,771)
Cash and cash equivalents, beginning of period	33,174	65,562
Cash and cash equivalents, end of period	3,598	38,791
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
Promissory convertible note receivable conversion into common shares		$ 1,508
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	3,112
Less - Deposit previously transferred in October 2022 to FPS	(2,000)
Net cash paid	$ 1,112