SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Mar. 31, 2013

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Allowance for Doubtful Accounts

The activity in the accounts receivable allowance for the three month periods ended March 31, 2013 and 2012 consists of the following (in thousands):

	March 31, 2013		March 31, 2012
Balance at beginning of year	$	3,461	$	2,903
Bad debt expense		537		650
Write-offs, net of recoveries		18		(28	)
Balance at end of period	$	4,016	$	3,525