v3.19.1
Condensed Balance Sheets - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Current assets:    
Cash $ 4,089,774 $ 5,722,342
Investments 15,441,486 16,460,426
Prepaid expenses and other current assets 211,804 260,630
Total current assets 19,743,064 22,443,398
Property and equipment, net 491,063 520,740
Intangible assets, net 19,963 20,233
Other assets 56,793 56,793
Total assets 20,310,883 23,041,164
Current liabilities:    
Accounts payable 255,545 1,142,735
Accrued liabilities 470,470 351,813
Accrued payroll and other compensation 543,774 667,661
Total current liabilities 1,269,789 2,162,209
Notes payable, net of debt discount and offering costs of $876,200 and $986,163 as of March 31, 2019 and December 31, 2018, respectively 3,026,300 2,916,337
Total liabilities 4,296,089 5,078,546
Commitments and contingencies
Stockholders' equity:    
Preferred stock, $0.001 par value, Authorized 5,000,000 shares; No shares issued and outstanding as of March 31, 2019 and December 31, 2018, respectively
Common stock, $0.001 par value, Authorized 75,000,000 shares; Issued and outstanding 42,722,738 shares as of March 31, 2019 and 42,578,208 as of December 31, 2018 42,723 42,578
Additional paid-in capital 58,841,208 57,868,593
Accumulated deficit (42,869,137) (39,948,553)
Total stockholders' equity 16,014,794 17,962,618
Total liabilities and stockholders' equity $ 20,310,883 $ 23,041,164

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