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Basis of Presentation (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Shares To Be Issued Upon Exercise Of Options And Warrant 359,817 288,048
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 76,675 119,000
BMO Harris Bank N.A [Member] | Revolving Credit Facility [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Debt Instrument, Face Amount $ 1.7