Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 2,974 $ 16,823
Marketable securities 7,992
Amounts receivable 1,112 780
Prepaid expenses and other assets 198 369
Total current assets 12,276 17,972
Non-current assets:    
Deposit 271 271
Operating lease right-of-use asset 177
Property and equipment, net 73 96
Total non-current assets 521 367
Total assets 12,797 18,339
Current liabilities:    
Accounts payable 262 483
Accrued liabilities 630 808
Finance lease obligation 5 5
Operating lease obligation 50
Total current liabilities 947 1,296
Non-current liabilities:    
Finance lease obligation, non-current 15 18
Operating lease obligation, non-current 133
Total non-current liabilities 148 18
Shareholders’ equity:    
Common shares, no par value; unlimited authorized; 12,006,874 and 11,956,874 shares issued and outstanding, as of June 30, 2019 and December 31, 2018, respectively
Additional paid-in capital 63,380 62,993
Accumulated other comprehensive income 11
Accumulated deficit (51,689) (45,968)
Total shareholders’ equity 11,702 17,025
Total liabilities and shareholders’ equity $ 12,797 $ 18,339