Allowance for Doubtful Accounts

9 Months Ended

Sep. 30, 2015

Receivables [Abstract]

Allowance for Doubtful Accounts

4. Allowance for Doubtful Accounts

The summary of activity in the allowance for doubtful accounts is as follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Balance at beginning of period	$	245		$	400		$	408		$	332
Bad debt expense (credit)		81			59			46			138
Recoveries (write-offs), net		(24	)		(44	)		(152	)		(55	)
Balance at end of period	$	302		$	415		$	302		$	415