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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 55,336 $ 24,049
Restricted bank deposit 46 102
Prepaid expenses and other current assets 756 355
Total current assets 56,138 24,506
Property and equipment, net 345 278
Other long-term assets 52  
Total 56,535 24,784
Current liabilities:    
Accounts payable 1,352 1,530
Accrued expenses 3,727 1,893
Total current liabilities 5,079 3,423
Stockholders’ equity:    
Preferred stock, $0.01 par value per share, 5,000,000 shares authorized, no shares issued and outstanding at September 30, 2018 and December 31, 2017
Common stock, $0.01 par value per share, 500,000,000 shares authorized, 35,124,844 and 27,527,738 shares issued at September 30, 2018 and December 31, 2017, respectively 351 274
Common stock in treasury, at cost, 8,385 and 0 shares at September 30, 2018 and December 31, 2017, respectively (83)  
Additional paid in capital 123,306 60,047
Accumulated deficit (72,118) (38,960)
Total stockholders’ equity 51,456 21,361
Total $ 56,535 $ 24,784