Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 3,212,451	$ 9,599,950
Short-term investments available-for-sale, at fair value	3,317,627	12,343,456
Accounts receivable, net of allowance of $20,315 at September 30, 2022 and December 31, 2021	960,414	2,092,466
Inventory, net	1,690,234	1,987,753
Prepaid Directors And Officers Insurance	654,772	365,453
Prepaid expenses and other	936,358	797,886
Total current assets	10,771,856	27,186,964
Operating lease right-of-use assets	1,039,999	1,345,361
Property and equipment, net	654,813	1,118,886
Inventory - non-current, net	1,007,811	711,296
Other non-current assets	135,824	98,180
Total assets	13,610,303	30,460,687
Current liabilities:
Accounts payable	709,905	1,649,440
Accrued liabilities	1,378,302	2,022,569
Current portion of long-term debt	3,694,979	5,167,586
NuvoGen obligation - current	472,624	548,301
Operating lease liabilities - current	435,377	413,865
Other current liabilities	129,437	141,749
Total current liabilities	6,820,624	9,943,510
NuvoGen obligation - non-current, net of discount	3,595,276	3,900,880
Long-term debt, net of current portion, discount and debt issuance costs	1,302,021	5,178,629
Operating lease liabilities - non-current, net of discount	620,607	949,461
Other non-current liabilities	63,399	88,383
Total liabilities	12,401,927	20,060,863
Commitments and Contingencies (Note 15)
Stockholders’ equity:
Series A convertible preferred stock, $0.001 par value; no shares authorized, issued and outstanding at September 30, 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 September 30, 2022 and December 31, 2021, 11,048,111 shares issued and outstanding at September 30, 2022 and 7,588,085 shares issued and outstanding at December 31, 2021	11,048	7,588
Additional paid-in-capital	226,442,794	218,723,349
Accumulated other comprehensive (loss) income	(10,559)	1,894
Accumulated deficit	(225,234,907)	(208,333,031)
Total stockholders’ equity	1,208,376	10,399,824
Total liabilities and stockholders' equity	$ 13,610,303	$ 30,460,687