CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net loss and comprehensive loss	$ (32,724,000)	$ (40,163,000)
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	11,496,000	8,791,000
Change in fair value of financial instruments and hybrid instrument designated at Fair Value Option	3,365,000	(652,000)
Stock-based compensation, vested and released restricted stock units and exercised stock options	1,535,000	2,821,000
Depreciation and amortization expenses	1,511,000	1,482,000
Amortization of operating lease - right-of-use-asset	286,000	208,000
Shares issued in exchange for services	166,000	654,000
Income earned in joint venture	42,000
Gain on extinguishment of debt	(3,697,000)	2,187,000
Shares issued upon restricted stock units	0	99,000
Shares issued upon exercise of stock options	0	1,000
Changes in assets and liabilities
Accounts receivable	205,000	(116,000)
Other receivable	417,000	(336,000)
Inventory	(1,355,000)	(1,701,000)
Prepaid expenses and other current assets	(2,620,000)	(1,249,000)
Other assets	(20,000)	(1,395,000)
Accounts payable	(670,000)	1,391,000
Accrued liabilities	(3,428,000)	1,508,000
Operating lease liability	(300,000)	(211,000)
Total cash used in operating activities	(25,791,000)	(26,681,000)
Cash flows from investing activities
Purchase of equipment	0	(77,000)
Purchase of intangible assets	0	(1,237,000)
Total cash used in investing activities	0	(1,314,000)
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	20,847,000	17,786,000
Proceeds from issuance of warrants in PIPE financing	1,235,000
Investment from non-controlling interest	1,227,000
Proceeds from issuance of preferred stock in PIPE financing, net of issuance cost of $12	611,000
Payment of Tempesta Note	(50,000)	(118,000)
Repayment of insurance financing	(293,000)	(100,000)
Proceeds from notes payable with Streeterville	0	3,975,000
Total cash provided by financing activities	23,577,000	21,543,000
Proceeds from Notes Payable	0	3,975,000
Effects of foreign exchange rate changes on assets and liabilities	(29,000)	(38,000)
Net decrease in cash	(2,243,000)	(6,490,000)
Cash at beginning of the year	5,469,000	17,051,000
Cash at end of the year	3,226,000	10,561,000
Supplemental schedule of cash flow information
Cash paid for interest	23,000	17,000
Supplemental schedule of non-cash financing and investing activities
Umbrella Insurance Financing	93,000
Recognition of operating lease - right-of-use asset and operating lease liability	30,000	223,000
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
Preferred stock issued to Irving in exchange of notes payable and accrued interest	1,730,000	5,056,000
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
Preferred stock issued to Irving in exchange of notes payable and accrued interest	1,275,000
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	60,000
Irving | Preferred Stock
Supplemental schedule of non-cash financing and investing activities
Preferred stock issued to Irving in exchange of notes payable and accrued interest	2,201,000
Irving | Common Stock
Supplemental schedule of non-cash financing and investing activities
Preferred stock issued to Irving in exchange of notes payable and accrued interest	$ 2,022,000	$ 5,492,000