Balance Sheets - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 23,769,380	$ 22,572,104
Accounts receivable, net	683,319	310,818
Inventories	711,936	706,553
Prepaid expenses and other current assets	422,616	598,384
Total current assets	25,587,251	24,187,859
Fixed assets, net	184,346	198,703
Operating Lease, Right-of-Use Asset	450,374	475,230
Other long-term assets	26,400	26,400
Total assets	26,248,371	24,888,192
Current liabilities:
Accounts payable	360,855	284,036
Accrued expenses and compensation	1,207,008	814,155
Accrued Sales Return provisions	11,000	39,000
Operating Lease, Liability, Current	148,391	228,506
Total current liabilities	1,727,254	1,365,697
Operating Lease, Liability, Noncurrent	283,209	306,709
Total liabilities	2,010,463	1,672,406
Commitments and contingencies
Stockholders’ equity:
Common Stock, Value, Issued	701	669
Additional paid-in capital	224,359,025	222,378,373
Accumulated deficit	(200,121,819)	(199,163,257)
Total stockholders’ equity	24,237,908	23,215,786
Total liabilities and stockholders’ equity	$ 26,248,371	$ 24,888,192
Common Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Common Stock, Shares Authorized	25,000,000	25,000,000
Common Stock, Shares, Issued	7,006,055	6,694,296
Common Stock, Shares, Outstanding	7,006,055	6,694,296
Convertible preferred stock
Stockholders’ equity:
Preferred stock	$ 1	$ 1
Preferred Non-Convertible Stock
Stockholders’ equity:
Preferred stock	$ 0	$ 0