XML 110 R62.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stockholders' Equity (Reconciliation of Transactions Under ATM Agreement) (Details) - USD ($)
2 Months Ended 12 Months Ended
Apr. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Mar. 31, 2016
Class of Stock [Line Items]          
Number of shares sold 11,500,000        
Net proceeds $ 4,000,000 $ 4,547,889 $ 6,000,000 $ 10,993,282  
Average price per share (in dollars per share)         $ 0.35
ATM Agreement          
Class of Stock [Line Items]          
Number of shares sold   1,835,300      
Gross proceeds   $ 522,889      
Fees   14,090      
Net proceeds   $ 508,799      
Average price per share (in dollars per share)   $ 0.28