CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash	$ 17,051,000	$ 8,090,000
Accounts receivable	1,709,000	2,098,000
Accounts receivable - pledged		2,434,000
Other receivable	435,000	28,000
Inventory	4,900,000	2,782,000
Prepaid expenses and other current assets	4,339,000	2,360,000
Total current assets	28,434,000	17,792,000
Property and equipment, net	650,000	677,000
Operating lease - right-of-use asset	1,084,000
Intangible assets, net	22,651,000	24,337,000
Other assets	446,000	37,000
Total assets	53,265,000	42,843,000
Current liabilities:
Accounts payable	4,929,000	4,759,000
Accrued liabilities	7,117,000	4,493,000
Warrant liability	1,000	179,000
Operating lease liability, current	240,000
Notes payable, current	3,184,000	3,789,000
Total current liabilities	15,471,000	13,220,000
Operating lease liability, net of current portion	919,000
Notes payable, net of discount, net of current portion (includes hybrid instrument designated at Fair Value Option amounting to $7.8 million and zero as of December 31, 2021 and 2020, respectively)	25,022,000	12,421,000
Total liabilities	41,412,000	25,641,000
Commitments and contingencies (See Note 6)
Stockholders' equity
Additional paid-in capital	231,100,000	184,097,000
Noncontrolling interest	242,000
Accumulated deficit	(219,494,000)	(166,899,000)
Total stockholders' equity	11,853,000	17,202,000
Total liabilities and stockholders' equity	53,265,000	42,843,000
Common stock - voting
Stockholders' equity
Common stock value	$ 5,000	$ 4,000