Quarterly report pursuant to Section 13 or 15(d)

Balance Sheets

v3.4.0.3
Balance Sheets - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 7,638,646 $ 9,972,781
Marketable securities 18,627,367 22,948,872
Prepaid expenses and other current assets 1,109,706 1,176,895
Total current assets 27,375,719 34,098,548
Property and equipment, net 1,516,198 1,618,968
Other assets 143,621 143,621
Total assets 29,035,538 35,861,137
Current liabilities:    
Accounts payable 1,821,341 1,517,417
Accrued liabilities 3,109,737 2,251,767
Total current liabilities 4,931,078 3,769,184
Deferred rent 987,260 972,119
Warrant liabilities 256,054 444,324
Total liabilities 6,174,392 5,185,627
Commitments and contingencies 0 0
Stockholders' equity:    
Preferred stock, $0.0001 par value, 25,000,000 shares authorized and none outstanding at March 31, 2016 and December 31, 2015 0 0
Common stock, $0.0001 par value, 100,000,000 shares authorized; 27,485,542 and 27,482,692 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively 2,748 2,748
Additional paid-in capital 149,363,352 148,282,546
Accumulated other comprehensive loss (2,381) (30,373)
Accumulated deficit (126,502,573) (117,579,411)
Total stockholders' equity 22,861,146 30,675,510
Total liabilities and stockholders' equity $ 29,035,538 $ 35,861,137