Consolidated Balance Sheets - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 2,180,525	$ 4,015,128
Marketable securities	4,036,014	5,933,364
Accounts receivable, net of allowance for doubtful accounts of $6,016	21,214	30,714
Other receivables	60,000	34,965
Inventory	165,852	224,155
Prepaid expenses	171,859	186,056
Total current assets	6,635,464	10,424,382
Other assets
Property and equipment, net	530,108	265,267
Operating lease right-of-use asset	1,129,715
Other assets	118,954	50,488
Total assets	8,414,241	10,740,137
Current liabilities
Accounts payable	622,436	871,364
Accrued expenses	495,462	311,405
Non-convertible promissory notes - current		1,375,000
Current portion of operating lease liability	110,114
Total current liabilities	1,228,012	2,557,769
Non-current liabilities
Operating lease liability, less current portion	1,444,343
Non-convertible promissory notes - long-term	1,375,000
Total non-current liabilities	2,819,343
Total liabilities	4,047,355	2,557,769
Commitments and contingencies (Note 14)
Stockholders’ equity
Preferred stock, $0.00001 par value; 20,000,000 shares authorized; 0 shares issued and outstanding
Common stock, $0.00001 par value; 80,000,000 shares authorized; 11,886,379 shares issued and outstanding	119	119
Additional paid-in capital	22,853,000	22,596,100
Accumulated deficit	(18,508,684)	(14,413,851)
Accumulated other comprehensive income	22,451
Total stockholders’ equity	4,366,886	8,182,368
Total liabilities and stockholders’ equity	$ 8,414,241	$ 10,740,137