CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses
Cost of product revenue	$ 456,000	$ 664,000	$ 911,000	$ 1,247,000
Research and development	2,451,000	3,870,000	7,396,000	6,285,000
Sales and marketing	2,144,000	2,191,000	4,979,000	4,330,000
General and administrative	4,349,000	5,068,000	10,493,000	8,477,000
Series 3 warrants inducement expense				1,462,000
ELOC warrants inducement expense		172,000		172,000
Total operating expenses	9,400,000	11,965,000	23,779,000	21,973,000
Loss from operations	(6,479,000)	(11,580,000)	(18,233,000)	(20,348,000)
Interest expense	(2,536,000)	(2,009,000)	(7,358,000)	(3,909,000)
Loss on extinguishment of debt			(2,187,000)	(753,000)
Change in fair value of financial instruments and hybrid instrument designated at Fair Value Option	709,000	(475,000)	477,000	(1,074,000)
Other expense, net	(1,084,000)	(17,000)	(253,000)	(6,000)
Loss before income tax	(9,390,000)	(14,081,000)	(27,554,000)	(26,090,000)
Net loss and comprehensive loss	(9,390,000)	(14,081,000)	(27,554,000)	(26,090,000)
Net loss attributable to noncontrolling interest	(23,000)		(201,000)
Net loss attributable to common shareholders	(9,367,000)	(14,081,000)	(27,353,000)	(26,090,000)
Net loss attributable to common shareholders (diluted)	$ (9,367,000)	$ (14,081,000)	$ (27,353,000)	$ (26,090,000)
Net loss per share, basic	$ (0.12)	$ (0.31)	$ (0.40)	$ (0.60)
Net loss per share, diluted	$ (0.12)	$ (0.31)	$ (0.40)	$ (0.60)
Weighted-average common shares outstanding, basic	79,698,822	45,043,863	69,105,329	43,574,385
Weighted-average common shares outstanding, Diluted	79,698,822	45,043,863	69,105,329	43,574,385
Product revenue, net
Revenue
Total revenue	$ 2,921,000	$ 385,000	$ 5,546,000	$ 1,625,000