Quarterly report pursuant to Section 13 or 15(d)

REVOLVING LINE OF CREDIT (Details Textual)

v2.4.1.9
REVOLVING LINE OF CREDIT (Details Textual) (USD $)
1 Months Ended 3 Months Ended
Mar. 31, 2015
Jul. 31, 2014
May 31, 2014
Mar. 31, 2015
Line of Credit Facility [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity $ 40,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity $ 150,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity   $ 40,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Debt Instrument, Maturity Date   Jul. 01, 2019 Oct. 30, 2015  
Debt Instrument, Interest Rate During Period 1.00%us-gaap_DebtInstrumentInterestRateDuringPeriod      
Leverage Ratio, Total       4.0 to 1.0
Minimum Leverage Ratio Current       1.0 to 1.0
Revolving Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Line of Credit Facility, Interest Rate Description       0.5%
Line of Credit Facility, Fair Value of Amount Outstanding $ 10,000,000us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
    $ 10,000,000us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Maximum [Member]        
Line of Credit Facility [Line Items]        
Debt Instrument, Basis Spread on Variable Rate 5.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum       6.00%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Minimum [Member]        
Line of Credit Facility [Line Items]        
Debt Instrument, Basis Spread on Variable Rate       1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum       2.75%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum
/ us-gaap_RangeAxis
= us-gaap_MinimumMember