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Condensed Consolidated Statement of Stockholders Equity (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Balance at Dec. 31, 2016 $ 16,071 $ 1 $ 164,053 $ (1) $ (147,982)
Balance (in shares) at Dec. 31, 2016   801,756      
Stock-based compensation expense 120   120    
Issuance of stock, value 1,782 $ 1 1,781    
Issuance of stock, shares   198,280      
Unrealized gain on available-for-sale securities 1     $ 1  
Net loss (4,138)       (4,138)
Balance at Mar. 31, 2017 $ 13,836 $ 2 $ 165,954   $ (152,120)
Balance (in shares) at Mar. 31, 2017   1,000,036