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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 28,771 $ 5,238
Short term marketable security 2,521
Restricted cash 4,358 25
Prepaid expenses and other assets 286 568
Total current assets. 35,936 5,831
Property and equipment, net 228 259
Operating right-of-use assets 962
Total assets 37,126 6,090
Current liabilities:    
Accounts payables 284 630
Provision for extinguishment dispute 3,604 3,375
Lease liabilities 143
Accrued liabilities 795 755
Total current liabilities 4,826 4,760
Non current liabilities:    
Long-term lease liabilities 760
Total liabilities 5,586 4,760
Commitments and contingencies
Stockholders' equity:    
Common stock; $0.01 par value; 60,000,000 and 200,000,000 shares authorized as of December 31, 2019 and December 31, 2018 7,185,628 and 3,012,343 shares issued and outstanding as of December 31, 2019 and December 31, 2018 72 31
Additional paid-in capital 69,954 32,538
Treasury shares (3,375) (3,375)
Accumulated deficit (35,111) (27,864)
Total stockholders' equity 31,540 1,330
Total liabilities and stockholders' equity $ 37,126 $ 6,090