v3.19.1
Condensed Consolidated Balance Sheets - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Current Assets:    
Cash $ 12,599,600 $ 15,538,849
Marketable securities 2,988,175 2,878,664
Accounts receivable and other receivables, net 197,511 168,169
Inventory, net 1,872,667 1,235,334
Current portion of operating lease right-of-use asset 104,854 168,595
Prepaid expenses and other current asset 737,150 839,520
Total Current Assets 18,499,957 20,829,131
Property and equipment, net 415,196 383,567
Operating lease right-of-use asset, non-current portion 308,239 270,713
Intangible assets, net 92,673 95,852
Other assets 72,077 71,198
Total Assets 19,388,142 21,650,461
Current Liabilities:    
Accounts payable 2,313,856 2,582,196
Accrued expenses 1,469,077 1,544,921
Accrued issuable equity 200,414 318,493
Notes payable 10,000 287,966
Current portion of operating lease liabilities 173,487 151,997
Current portion of deferred revenue 337,452 357,048
Total Current Liabilities 4,504,286 5,242,621
Operating lease liabilities, non-current portion 254,645 299,733
Deferred revenue, non-current portion 9,299 13,878
Total Liabilities 4,768,230 5,556,232
Series B Convertible Preferred Stock, 10,000 shares designated, 0 issued and outstanding as of March 31, 2019 and December 31, 2018, respectively
Commitments and contingencies (Note 10)
Stockholders' Equity:    
Common stock, $0.001 par value, 500,000,000 shares authorized, 26,223,809 26,118,075 shares issued and outstanding as of March 31, 2019 and December 31, 2018, respectively 26,224 26,118
Additional paid-in capital 176,243,105 175,924,587
Accumulated other comprehensive income 100,686
Accumulated deficit (161,750,108) (159,856,481)
Total Stockholders' Equity 14,619,912 16,094,229
Total Liabilities and Stockholders' Equity 19,388,142 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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