Accounts Receivable and Allowance For Doubtful Accounts: Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2015

Accounts Receivable, Net [Abstract]

Schedule of Accounts Receivable

Following is a summary of Receivables - customers, net included in the accompanying Condensed Balance Sheets (in thousands) as of:

	March 31, 2015			December 31, 2014
Accounts receivable trade	$	19,539		$	24,946
Unbilled revenues	8,941			9,999
Allowance for doubtful accounts	(253		)	(261		)
Receivables - customers, net	$	28,227		$	34,684