CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities
Net comprehensive loss	$ (41,870,000)	$ (49,075,000)
Adjustments to reconcile net loss and comprehensive loss to net cash used in operating activities:
Amortization of debt issuance costs, debt discount, and non-cash interest expense	13,206,000	11,758,000
Change in fair value of freestanding and hybrid financial instruments designated at Fair Value Option	5,125,000	21,000
Stock-based compensation, vested and released restricted stock units and exercised stock options	2,112,000	3,318,000
Depreciation and amortization expenses	2,013,000	1,981,000
Amortization of operating lease - right-of-use-asset	375,000	311,000
Impairment loss on intangible assets	371,000
Shares issued in exchange for services	171,000	823,000
Share in joint venture's loss	51,000
(Gain) Loss on extinguishment of debt	(3,697,000)	2,187,000
Changes in assets and liabilities
Accounts receivable	(88,000)	(170,000)
Other receivable	386,000	(251,000)
Inventory	(2,165,000)	(2,124,000)
Prepaid expenses and other current assets	(5,011,000)	(1,560,000)
Other assets	(17,000)	(550,000)
Accounts payable	(855,000)	902,000
Accrued liabilities	(2,955,000)	(360,000)
Operating lease liability	(394,000)	(315,000)
Total cash used in operating activities	(33,242,000)	(33,104,000)
Cash flows from investing activities
Purchase of equipment		(77,000)
Purchase of intangible assets		(1,598,000)
Total cash used in investing activities		(1,675,000)
Cash flows from financing activities
Proceeds from issuance of shares in At the Market offering, net of issuance and offering costs of $242 and $103 in 2023 and 2022, respectively	32,100,000	20,462,000
Proceeds from issuance of warrants in PIPE financing	1,236,000
Investment from non-controlling interest	1,233,000
Proceeds from issuance of preferred stock in PIPE financing, net of issuance cost of $12	611,000
Payment of Tempesta Note	(100,000)	(100,000)
Repayment of insurance financing	(853,000)	(1,156,000)
Proceeds from notes payable with Streeterville		3,975,000
Total cash provided by financing activities	34,227,000	23,181,000
Effects of foreign exchange rate changes on assets and liabilities	15,000	16,000
Net increase (decrease) in cash	1,000,000	(11,582,000)
Cash at beginning of the year	5,469,000	17,051,000
Cash at end of the year	6,469,000	5,469,000
Supplemental schedule of cash flow information
Cash paid for interest	35,000	23,000
Supplemental schedule of non-cash financing and investing activities
First Insurance Financing	676,000	1,056,000
Lease modification	441,000	0
Umbrella Insurance Financing	110,000
Recognition of operating lease - right-of-use asset and operating lease liability	30,000	365,000
Streeterville
Supplemental schedule of non-cash financing and investing activities
Warrants issued due to Royal Interest Global Amendment	59,000
Streeterville | Preferred Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	1,730,000	792,000
Iliad
Supplemental schedule of non-cash financing and investing activities
Warrants issued in exchange of Standstill	535,000
Warrants issued due to Royal Interest Global Amendment	54,000
Iliad | Common Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	2,064,000	$ 10,472,000
Irving
Supplemental schedule of non-cash financing and investing activities
Warrants issued in exchange of Standstill	1,934,000
Warrants issued due to Royal Interest Global Amendment	61,000
Irving | Preferred Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	2,201,000
Irving | Common Stock
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	$ 2,022,000