CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Cash flows from operating activities
Net loss		$ (12,609,000)	$ (12,192,000)	$ (40,163,000)	$ (38,282,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of debt issuance costs, debt discount, and non-cash interest expense				8,791,000	3,633,000
Stock-based compensation				2,821,000	2,832,000
Loss on extinguishment of debt, net	$ 753,000			2,187,000	753,000
Depreciation and amortization expense				1,482,000	1,290,000
Shares issued in exchange for services				654,000	16,000
Amortization of operating lease - right-of-use-asset				208,000	45,000
Shares issued upon exercise of restricted stock units				99,000
Shares issued upon exercise of stock options				1,000
Change in fair value of financial instruments and hybrid instrument designated at Fair Value Option				(652,000)	1,639,000
Series 3 warrants inducement expense				0	1,462,000
Derecognition of debt discount on settlement of receivables secured borrowing				0	49,000
Changes in assets and liabilities
Accounts receivable				(116,000)	2,421,000
Other receivable				(336,000)	(66,000)
Inventory				(1,701,000)	(1,731,000)
Prepaid expenses and other current assets				(1,249,000)	(1,369,000)
Other assets				(1,395,000)	37,000
Accounts payable				1,391,000	(986,000)
Accrued liabilities				1,508,000	2,002,000
Operating lease liability				(211,000)	36,000
Total cash used in operating activities				(26,681,000)	(26,047,000)
Cash flows from investing activity
Purchase of equipment				(77,000)	(6,000)
Purchase of intangible assets				(1,237,000)
Advances for future capital investment				0	(10,478,000)
Total cash used in investing activity				(1,314,000)	(10,484,000)
Cash flows from financing activities
Repayment of insurance financing				(118,000)	(588,000)
Payment of Tempesta Note				(100,000)
Proceeds from issuance of notes payable, net of issuance costs of $50				0	10,975,000
Repayment of receivables secured borrowing				0	(1,822,000)
Payment of ELOC warrants offering costs				0	(35,000)
Repayment of notes payable				0	(100,000)
Proceeds from exercise of stock options				0	4,000
Total cash provided by financing activities				21,543,000	40,816,000
Effects of foreign exchange rate changes on assets and liabilities				(38,000)
Net (decrease) increase in cash				(6,490,000)	4,285,000
Cash at beginning of period	$ 8,090,000			17,051,000	8,090,000	$ 8,090,000
Cash at end of period		$ 10,561,000	$ 12,375,000	10,561,000	12,375,000	$ 17,051,000
Supplemental schedule of cash flow information
Cash paid for interest				17,000	21,000
Supplemental schedule of non-cash financing and investing activities
Shares issued on exercise of Series 3 warrants					1,776,000
Insurance financing					1,183,000
Offering costs included in accounts payable and accrued liabilities					(13,000)
Streeterville
Cash flows from financing activities
Proceeds from notes payable with Streeterville				3,975,000
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest				5,056,000
Iliad
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest				5,492,000	2,982,000
At The Market Offering
Cash flows from financing activities
Proceeds from issuance of shares in At the Market offering, net of issuance and offering costs of $103 and $311				17,786,000	5,365,000
Registered public offering
Cash flows from financing activities
Proceeds from issuance of shares in registered public offering, net of issuance and offering costs of $2,550				0	23,232,000
2019 Bridge Note Warrants
Cash flows from financing activities
Proceeds from issuance of shares on conversion of Series 1, Series 2, and 2019 Bridge Note warrants				0	2,034,000
Private Investment in Public Entities
Cash flows from financing activities
Proceeds from issuance of shares in PIPE financing				0	1,751,000
Series 3 warrants
Supplemental schedule of non-cash financing and investing activities
Recognition of operating lease - right-of-use asset and operating lease liability				$ 223,000	$ 1,087,000