v3.20.1
Consolidated Balance Sheets - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Current Assets:    
Cash $ 3,975,494 $ 15,538,849
Marketable securities 3,150,332 2,878,664
Accounts receivable and other receivables, net 206,770 168,169
Inventory, net 2,157,295 1,235,334
Prepaid expenses and other current assets 671,033 839,520
Total Current Assets 10,160,924 20,660,536
Property and equipment, net 1,347,309 383,567
Operating lease right-of-use asset 258,102 255,167
Intangible assets, net 107,415 279,993
Other assets 73,743 71,198
Total Assets 11,947,493 21,650,461
Current Liabilities:    
Accounts payable 2,372,212 2,582,196
Accrued expenses 897,548 1,544,921
Accrued issuable equity 257,686 318,493
Notes payable 10,000 287,966
Current portion of operating lease liabilities 190,823 99,618
Other current liabilities 73,598 52,379
Current portion of deferred revenue 567,613 357,048
Total Current Liabilities 4,369,480 5,242,621
Operating lease liabilities, non-current portion 84,838 167,971
Other liabilities 58,164 131,762
Deferred revenue, non-current portion 565 13,878
Total Liabilities 4,513,047 5,556,232
Series B Convertible Preferred Stock, 10,000 shares designated, 0 issued and outstanding as of December 31, 2019 and 2018, respectively
Commitments and contingencies (Note 17)
Stockholders' Equity:    
Common stock, $0.001 par value, 500,000,000 shares authorized, 26,322,583 and 26,118,075 shares issued and outstanding as of December 31, 2019 and 2018, respectively 26,323 26,118
Additional paid-in capital 176,729,926 175,924,587
Accumulated other comprehensive income 183,173
Accumulated deficit (169,504,981) (159,856,481)
Total Stockholders' Equity 7,434,446 16,094,229
Total Liabilities and Stockholders' Equity 11,947,493 21,650,461
Series A Convertible Preferred Stock [Member]    
Stockholders' Equity:    
Preferred stock, $0.001 par value, 40,000,000 shares authorized;
Series C Convertible Preferred Stock [Member]    
Stockholders' Equity:    
Preferred stock, $0.001 par value, 40,000,000 shares authorized;
Series D Convertible Preferred Stock [Member]    
Stockholders' Equity:    
Preferred stock, $0.001 par value, 40,000,000 shares authorized; $ 5 $ 5

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