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Condensed Consolidated Balance Sheets - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 37,995,008 $ 4,241,937
Marketable securities 1,001,080 18,386,160
Accounts receivable, net 329,778 270,546
Inventories, net 1,082,325 876,436
Prepaid expenses and other current assets 1,476,348 1,288,588
Total current assets 41,884,539 25,063,667
Inventories, noncurrent 4,349,009 4,865,181
Property and equipment, net 171,028 244,047
Operating lease right of use assets 539,728 517,257
Other assets, net 626,445 828,011
Total assets 47,570,749 31,518,163
Current liabilities:    
Accounts payable 1,250,534 2,078,699
Accrued expenses and other current liabilities 4,429,843 2,965,702
Notes payable, current 311,354
Current portion of operating lease liabilities 58,482 534,547
Total current liabilities 5,738,859 5,890,302
Noncurrent liabilities:    
Operating lease liabilities, noncurrent 715,530 885,333
Note payable, noncurrent 1,097,946
Total liabilities 6,454,389 7,873,581
Commitments and contingencies
Stockholders' equity:    
Preferred Stock, par value $0.001 per share; 10,000,000 shares authorized at September 30, 2021 and December 31, 2020; 0 shares issued and outstanding at September 30, 2021 and December 31, 2020
Common Stock, par value $0.001 per share; 500,000,000 shares authorized at September 30, 2021 and December 31, 2020; 70,442,309 shares issued and outstanding at September 30, 2021 and 45,559,765 shares issued and outstanding at December 31, 2020 70,442 45,560
Additional paid-in capital 159,796,442 130,205,027
Accumulated deficit (119,261,417) (106,990,148)
Accumulated other comprehensive loss (124,717) (251,467)
Total stockholders' equity 40,480,750 23,008,972
Noncontrolling interest 635,610 635,610
Total equity 41,116,360 23,644,582
Total liabilities and equity $ 47,570,749 $ 31,518,163