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Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 251 $ 17,718
Short-term investments, at fair value 16,003
Investments in marketable equity securities, at fair value 1,029 202
Prepaid expenses and other 40 70
Total current assets 17,323 17,990
Mineral properties 49 19
Other assets 358 45
Total assets 17,730 18,054
Current liabilities:    
Accounts payable 145 175
Warrant liability 4
Other 128
Total current liabilities 273 179
Shareholders’ equity:    
Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at June 30, 2016 and December 31, 2015)
Common stock, $0.01 par value, authorized 100,000,000 shares (38,763,189 and 39,169,189 shares, respectively, issued and outstanding at June 30, 2016 and December 31, 2015) 388 392
Additional paid-in capital 54,897 55,063
Accumulated deficit (38,342) (37,691)
Accumulated other comprehensive income 514 111
Total shareholders’ equity 17,457 17,875
Total liabilities and shareholders’ equity $ 17,730 $ 18,054