Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.6.0.2
Stockholders' Equity (Details Textual) - $ / shares
12 Months Ended
Jun. 30, 2016
Dec. 31, 2016
Stockholders Equity Note [Line Items]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock special voting shares issued 1 1
Common stock, shares authorized 50,000,000 50,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares issued (in shares) 11,187,023 11,485,219
Common stock, Shares outstanding 11,187,023 11,381,997
Series A Preferred Stock [Member]    
Stockholders Equity Note [Line Items]    
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares issued 278,530 278,530
Preferred stock, shares outstanding 278,530 278,530
Series B Preferred Stock [Member]    
Stockholders Equity Note [Line Items]    
Preferred stock, shares issued 902,238 889,863
Preferred stock, shares outstanding 902,238 889,863
Preferred Stock, rate of dividend 9.00%  
Purchase price of shares $ 8.00  
Convertible preferred stock 2.5  
Conversion price $ 3.20