Quarterly report pursuant to Section 13 or 15(d)

REVOLVING LINE OF CREDIT (Details Textual)

v3.7.0.1
REVOLVING LINE OF CREDIT (Details Textual) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Jul. 31, 2014
Mar. 31, 2017
May 01, 2016
Line of Credit Facility [Line Items]      
Leverage Ratio, Total   4.0 to 1.0  
Minimum Leverage Ratio Current   1.0 to 1.0  
Debt Instrument, Redemption, Description   The Borrowing Base will be redetermined semi-annually on each May 1 and November 1, beginning November 1, 2015.  
LIBOR [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Interest Rate During Period   1.00%  
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Maturity Date Jun. 26, 2020    
Line of Credit Facility, Interest Rate Description   0.5%  
Line of Credit Facility, Maximum Borrowing Capacity $ 500    
Maximum [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   2.75%  
Line of Credit Facility, Maximum Borrowing Capacity     $ 100
Debt Instrument, Interest Rate, Effective Percentage   3.75%  
Minimum [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   1.75%  
Line of Credit Facility, Maximum Borrowing Capacity     $ 60
Debt Instrument, Interest Rate, Effective Percentage   2.75%