v3.19.3
Condensed Consolidated Balance Sheets - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Current Assets:    
Cash $ 7,987,019 $ 15,538,849
Marketable securities 3,032,399 2,878,664
Accounts receivable and other receivables, net 312,889 168,169
Inventory, net 1,297,166 1,235,334
Prepaid expenses and other current asset 1,007,032 839,520
Total Current Assets 13,636,505 20,660,536
Property and equipment, net 709,218 383,567
Operating lease right-of-use asset 361,803 439,308
Intangible assets, net 86,314 95,852
Other assets 67,077 71,198
Total Assets 14,860,917 21,650,461
Current Liabilities:    
Accounts payable 2,755,841 2,582,196
Accrued expenses 1,036,131 1,544,921
Accrued issuable equity 336,373 318,493
Notes payable 10,000 287,966
Current portion of operating lease liabilities 219,001 151,997
Current portion of deferred revenue 252,935 357,048
Total Current Liabilities 4,610,281 5,242,621
Operating lease liabilities, non-current portion 183,289 299,733
Deferred revenue, non-current portion 2,807 13,878
Total Liabilities 4,796,377 5,556,232
Series B Convertible Preferred Stock, 10,000 shares designated, 0 issued and outstanding as of September 30, 2019 and December 31, 2018
Commitments and contingencies (Note 11)
Stockholders' Equity:    
Common stock, $0.001 par value, 500,000,000 shares authorized, 26,261,434 and 26,118,075 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively 26,261 26,118
Additional paid-in capital 176,540,422 175,924,587
Accumulated other comprehensive income 108,169
Accumulated deficit (166,610,317) (159,856,481)
Total Stockholders' Equity 10,064,540 16,094,229
Total Liabilities and Stockholders' Equity 14,860,917 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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