CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net loss and comprehensive loss	$ (49,075,000)	$ (52,600,000)
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	11,758,000	5,171,000
Stock-based compensation, vested and released restricted stock units and exercised stock options	3,318,000	3,974,000
Loss on extinguishment of debt	2,187,000	753,000
Depreciation and amortization expense	1,981,000	1,719,000
Shares issued in exchange for services	823,000	16,000
Amortization of operating lease - right-of-use-asset	311,000	94,000
Change in fair value of financial instruments and hybrid instrument designated at Fair Value Option	21,000	1,953,000
Series 3 warrants inducement expense		1,462,000
ELOC warrants inducement expense		172,000
Derecognition of debt discount on settlement of receivables secured borrowing		49,000
Changes in assets and liabilities
Accounts receivable	(170,000)	2,823,000
Other receivable	(251,000)	(407,000)
Inventory	(2,124,000)	(2,118,000)
Prepaid expenses and other current assets	(1,560,000)	(796,000)
Other assets	(550,000)	(408,000)
Accounts payable	902,000	158,000
Accrued liabilities	(360,000)	3,034,000
Operating lease liability	(315,000)	(19,000)
Total cash used in operating activities	(33,104,000)	(34,970,000)
Cash flows from investing activity
Purchase of equipment	(77,000)	(6,000)
Costs incurred in software development activities	(1,598,000)
Total cash used in investing activity	(1,675,000)	(6,000)
Cash flows from financing activities
Proceeds from issuance of shares in At the Market offering, net of issuance and offering costs of $103 and $465 in 2022 and 2021, respectively	20,462,000	8,595,000
Payment of Tempesta Note	(100,000)
Repayment of insurance financing	(1,156,000)	(943,000)
Proceeds from issuance of shares in registered public offering, net of issuance and offering costs of $2,550		23,232,000
Proceeds from issuance of notes payable, net of issuance costs of $50		10,975,000
Proceeds from issuance of shares in PIPE financing		1,751,000
Noncontrolling interest		247,000
Proceeds from exercise of stock options		3,000
Repayment of receivables secured borrowing		(1,822,000)
Payment of ELOC warrants offering costs		(35,000)
Repayment of notes payable		(100,000)
Total cash provided by financing activities	23,181,000	43,937,000
Effects of foreign exchange rate changes on assets and liabilities	16,000
Net (decrease) increase in cash	(11,582,000)	8,961,000
Cash at beginning of the year	17,051,000	8,090,000
Cash at end of the year	5,469,000	17,051,000
Supplemental schedule of cash flow information
Cash paid for interest	23,000	28,000
Supplemental schedule of non-cash financing and investing activities
Insurance financing	1,056,000	1,183,000
Recognition of operating lease - right-of-use asset and operating lease liability	365,000	1,087,000
Shares issued in exchange of partial settlement of royalty interest		1,776,000
Lease modification	0	91,000
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	792,000
Iliad
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	$ 10,472,000
Series 1, Series 2 and Bridge warrant
Cash flows from financing activities
Proceeds from issuance of shares on conversion of Series 1, Series 2, and 2019 Bridge Note warrants		$ 2,034,000