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Subsequent Events (Details) - USD ($)
1 Months Ended 12 Months Ended
Mar. 30, 2017
Mar. 28, 2017
Mar. 23, 2016
Dec. 31, 2016
Dec. 31, 2015
Mar. 15, 2017
Mar. 07, 2017
Subsequent Event [Line Items]              
Shares issued under public offering       9,100,000 1,886,000    
Proceeds from public offering     $ 6,100,000 $ 7,082,526    
Minimum [Member]              
Subsequent Event [Line Items]              
Closing bid price for NASDAQ           $ 1.00  
Subsequent Event [Member]              
Subsequent Event [Line Items]              
Shares issued under public offering 750,000 5,000,000          
Offering price per share   $ 0.80          
Proceeds from public offering   $ 4,100,000          
Subsequent Event [Member] | Pelican Therapeutics, Inc. [Member]              
Subsequent Event [Line Items]              
Percentage of voting interests held by majority Pelican stockholders             75.50%
Subsequent Event [Member] | Pelican Therapeutics, Inc. [Member] | Minimum [Member]              
Subsequent Event [Line Items]              
Percentage of voting interests to be sold to Company             80.00%
Subsequent Event [Member] | Pelican Therapeutics, Inc. [Member] | Maximum [Member]              
Subsequent Event [Line Items]              
Percentage of voting interests to be sold to Company             100.00%