Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 12,210,857	$ 9,599,950
Short-term investments available-for-sale, at fair value	0	12,343,456
Accounts receivable, net of allowance of $0 at December 31, 2022 and $20,315 at December 31, 2021	1,421,695	2,092,466
Inventory, net	909,328	1,987,753
Prepaid expenses and other	1,109,571	1,163,339
Total current assets	15,651,451	27,186,964
Operating lease right-of-use assets	1,007,202	1,345,361
Property and equipment, net	598,006	1,118,886
Other non-current assets	520,996	809,476
Total assets	17,777,655	30,460,687
Current liabilities:
Accounts payable	1,157,449	1,649,440
Accrued liabilities	2,209,606	2,022,569
Current portion of long-term debt, net of discount and debt issuance costs	3,812,498	5,167,586
NuvoGen obligation - current	446,031	548,301
Operating lease liabilities - current	475,126	413,865
Other current liabilities	170,047	141,749
Total current liabilities	8,270,757	9,943,510
NuvoGen obligation - non-current, net of discount	3,519,058	3,900,880
Long-term debt, net of current portion, discount and debt issuance costs		5,178,629
Operating lease liabilities non-current, net of discount	546,324	949,461
Other non-current liabilities	49,819	88,383
Total liabilities	12,385,958	20,060,863
Commitments and Contingencies (Note 15)
Stockholders' Equity Attributable to Parent [Abstract]
Series A convertible preferred stock, $0.001 par value; no shares authorized,issued and outstanding at December 31, 2022; 23,770 shares authorized, issued and outstanding at December 31, 2021		24
Common stock, $0.001 par value; 26,666,667 shares authorized at December 31, 2022 and December 31, 2021, 2,213,897 shares issued and outstanding at December 31, 2022 and 632,340 shares issued and outstanding at December 31, 2021	2,214	632
Additional paid-in-capital	235,314,311	218,730,305
Accumulated other comprehensive income	2,679	1,894
Accumulated deficit	(229,927,507)	(208,333,031)
Total stockholders' equity	5,391,697	10,399,824
Total liabilities and stockholders' equity	$ 17,777,655	$ 30,460,687