Condensed Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 10,209 $ 21,834
Prepaid expenses and other current assets 2,027 594
Total assets 12,236 22,428
Current liabilities:    
Accounts payable 887 459
Accrued expenses 806 819
Total current liabilities 1,693 1,278
Warrant liability 1,301 998
Total liabilities 2,994 2,276
Commitments and Contingencies (Note 4)
Series A Convertible Redeemable Preferred Stock, $0.0001 Par Value: Series A Convertible Redeemable Preferred Stock, Authorized shares: 13,000,000; Issued and outstanding shares: 11,381,999; Liquidation preference of $28,455 26,436 26,185
Stockholders' deficit:    
Common stock, $0.0001 par value; Authorized shares: 50,000,000; Issued and outstanding shares: 10,000,000 1 1
Additional paid-in capital 7,505 3,264
Accumulated deficit (24,700) (9,298)
Total stockholders' deficit (17,194) (6,033)
Total liabilities, preferred stock and stockholders' deficit $ 12,236 $ 22,428