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Accounts Receivable
3 Months Ended
Mar. 31, 2015
Accounts Receivable [Abstract]  
ACCOUNTS RECEIVABLE

5. ACCOUNTS RECEIVABLE

Credit is extended based upon an evaluation of the customer’s financial condition and while collateral is not required, the Company often receives surety bonds that guarantee payment.  Credit terms are consistent with industry standards and practices.  Trade accounts receivable at March 31, 2015 and December 31, 2014 have been reduced by an allowance for doubtful accounts of $1,215 and $1,036, respectively.