CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net loss and comprehensive loss	$ (12,629,000)	$ (18,164,000)
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	1,276,000	3,429,000
Depreciation and amortization expense	504,000	426,000
Stock-based compensation, vested and released restricted stock units and exercised stock options	480,000	1,063,000
Change in fair value of financial instruments and hybrid instrument designated at Fair Value Option	359,000	233,000
Shares issued in exchange for services	166,000	14,000
Amortization of operating lease - right-of-use-asset	47,000	29,000
Loss on extinguishment of debt	0	2,815,000
Equity in loss in joint venture	31,000
Changes in assets and liabilities
Accounts receivable	892,000	(86,000)
Other receivable	138,000	(117,000)
Inventory	(1,660,000)	22,000
Prepaid expenses and other current assets	(160,000)	507,000
Other assets	(18,000)	(5,000)
Accounts payable	(134,000)	(1,173,000)
Accrued liabilities	816,000	3,341,000
Operating lease liability	(53,000)	(29,000)
Total cash used in operating activities	(9,945,000)	(7,695,000)
Cash flows from investing activity
Purchase of equipment	0
Costs incurred in software development activities	0
Total cash used in investing activity	0
Cash flows from financing activities
Proceeds from issuance of shares in At the Market offering, net of issuance and offering costs of $30 and $83 in 2023 and 2022, respectively	17,865,000	9,110,000
Proceeds from notes payable with Streeterville	0	(447,000)
Payment of Tempesta Note	(50,000)
Repayment of insurance financing	(236,000)	(335,000)
Investment from non-controlling interest	1,232,000	(178,000)
Total cash provided by financing activities	18,811,000	8,150,000
Effects of foreign exchange rate changes on assets and liabilities	32,000	(50,000)
Net increase in cash	8,898,000	405,000
Cash at beginning of the year	5,469,000	17,051,000
Cash at end of the year	14,367,000	17,456,000
Supplemental schedule of cash flow information
Cash paid for interest	6,000	11,000
Supplemental schedule of non-cash financing and investing activities
Recognition of operating lease - right-of-use asset and operating lease liability	30,000	90,000
Iliad
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	1,275,000	$ 4,233,000
Irving
Supplemental schedule of non-cash financing and investing activities
Shares issued in exchange of notes payable and accrued interest	$ 627,000