Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,504)	$ (7,639)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	260	929
Equity-based compensation	119	901
Amortization of consulting fees paid in common stock	25	1,725
Change in fair value of warrants	(8)
PIK interest	258	135
Amortization of debt discounts	33	94
Other		6
Changes in operating assets and liabilities:
Supplies		11
Prepaid expenses and consulting fees	59	925
Other current assets	5	7
Accounts payable	983	(489)
Accrued and other liabilities	1,486	35
Net cash provided by (used in) operating activities	1,716	(3,360)
CASH FLOWS FROM INVESTING ACTIVITIES:
Intangible asset acquired under license agreement	(2,122)
Net cash used in investing activities	(2,122)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash from issuances of promissory notes	371
Net cash provided by financing activities	371
Net change in cash and cash equivalents	(35)	(3,360)
Cash and cash equivalents at beginning of period	38	5,515
Cash and cash equivalents at end of period	3	2,155
NONCASH INVESTING AND FINANCING ACTIVITIES:
Common stock issued for intangible asset	378
Warrants issued for finder’s fee in connection promissory notes	17
Deemed dividend from trigger of down round provisions and extension of Assumed Warrants	656
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest