Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 07, 2016
May 31, 2015
Apr. 30, 2015
Dec. 31, 2015
Dec. 31, 2016
Oct. 17, 2016
Sep. 27, 2016
Preferred stock, shares authorized         1,000,000    
Common stock, shares authorized       45,000,000 45,000,000 45,000,000  
Common stock, shares outstanding       1,808,628 3,619,338   1,808,628
Sale of common stock, shares 1,777,417   208,750        
Price per share     $ 24.00        
Gross proceeds $ 9,000,000   $ 5,010,000 $ 4,354,894      
Net proceeds, after the payment of commissions and legal and other expenses     $ 4,400,000        
Over-Allotment Option [Member]              
Sale of common stock, shares   9,388          
Price per share   $ 24.00          
Gross proceeds   $ 225,300          
Net proceeds, after the payment of commissions and legal and other expenses   $ 210,000