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Consolidated Balance Sheets - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 75,180,000 $ 72,675,000
Short-term investments 55,986,000 0
Prepaid expenses and other current assets 3,585,000 1,057,000
Total current assets 134,751,000 73,732,000
Property and equipment, net 3,049,000 2,820,000
Other assets 45,000 130,000
Total assets 137,845,000 76,682,000
Current liabilities:    
Accounts payable 3,300,000 2,549,000
Accrued clinical liabilities 5,231,000 3,811,000
Accrued payroll and employee liabilities 4,828,000 2,731,000
Other accrued liabilities 4,154,000 2,931,000
Convertible notes payable to related parties, net of discount 2,222,000 1,598,000
Total current liabilities $ 19,735,000 $ 13,620,000
Commitments and contingencies (see Note 5)
Stockholders’ equity:    
Preferred stock, $0.01 par value: 2,500 shares authorized; no shares issued or outstanding at December 31, 2015 and 2014 $ 0 $ 0
Common stock, $0.01 par value: 75,000 shares authorized; 36,106 and 29,227 shares issued and outstanding at December 31, 2015 and 2014, respectively 361,000 292,000
Additional paid-in capital 530,617,000 $ 378,007,000
Accumulated other comprehensive loss (40,000)
Accumulated deficit (412,828,000) $ (315,237,000)
Total stockholders’ equity 118,110,000 63,062,000
Total liabilities and stockholders’ equity $ 137,845,000 $ 76,682,000