XML 32 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Business and Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Jul. 12, 2017
Accounting Policies [Abstract]      
Solitario common shares issued at a rate of 0.3572 for 1 share Zazu for all issued and outstanding Zazu shares     19,788,177
Solitario stock options granted to Zazu option holders     1,782,428
Total purchase price of Zazu   $ 16,110  
Current assets in United States Treasury securities $ 9,976    
Bank certificates of deposit each with $250,000 maximum $ 1,247    
Potentially dilutive shares related to outstanding common stock options 2,082,428    
Cumulative-effect adjustment for change in accounting principle $ 576