Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Textual)

v3.8.0.1
Subsequent Events (Details Textual)
1 Months Ended
Apr. 30, 2018
shares
Jun. 30, 2018
Mar. 31, 2018
Subsequent Event [Line Items]      
Minimum Fixed charge coverage ratio     1.25
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Minimum Fixed charge coverage ratio   1.15  
Subsequent Event [Member] | Service based RSU [Member] | Executive Officer [Member]      
Subsequent Event [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 60,000    
Subsequent Event [Member] | Performance based RSU [Member] | Executive Officer [Member]      
Subsequent Event [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 60,000    
Subsequent Event [Member] | Performance based RSU [Member] | Director [Member]      
Subsequent Event [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 17,067