Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (6,385)	$ (3,826)	$ (15,056)	$ (13,281)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property and equipment			29	484
Redeemable warrants valuation adjustment			(35)	(22)
Extinguishment of financing obligation and note payable				2,701
Amortization of patent, trademark rights			57	97	$ 116
Changes in ROU assets			(717)	35
Gain on sale of property and equipment				(216)
Gain from sale of income tax operating losses			(749)	(542)
Equity-based compensation			792	1,320
Gain (Loss) on sale of marketable securities			1,768	126
Amortization of finance and debt issuance costs				47
Change in assets and liabilities:
Accounts receivable				6
Funds Receivable from New Jersey net operating loss			1,641	1,090
Prepaid expenses and other current assets and other non-current assets			(500)	64
Lease liability			717	(35)
Other Assets			(73)
Accounts payable			758	(14)
Accrued expenses			1,329	(80)
Net cash used in operating activities			(10,039)	(8,220)
Cash flows from investing activities:
Proceeds from sale of marketable securities			9,082	849
Purchase of marketable securities			(1,661)	(1,611)
Purchase of property and equipment				(34)
Proceeds from sale of property and equipment			300	245
Purchase of patent and trademark rights			(96)	(444)
Net cash provided by (used in) investing activities			7,625	(995)
Cash flows from financing activities:
Payment of financing obligation				(4,732)
Financing obligation payments				(122)
Proceeds from sale of stock, net of issuance costs			80	12,917
Net cash provided by financing activities			80	8,063
Net decrease in cash and cash equivalents			(2,334)	(1,152)
Cash and cash equivalents at beginning of period			32,093	38,501	38,501
Cash and cash equivalents at end of period	$ 29,759	$ 37,349	29,759	37,349	$ 32,093
Supplemental disclosures of non-cash investing and financing cash flow information:
Operating lease-Right of Use Assets			717
Unrealized loss on marketable securities			(1,170)	(329)
Conversion of Series B preferred			$ 2	$ 7