Accounts Receivable

(5) Accounts Receivable

Accounts receivable (in thousands) consisted of the following, as of:


	September 30, 2013			December 31, 2012
Billed and billable	$	130,301		$	176,511
Less: unpaid deferred revenue		(63,249	)		(83,107	)

Accounts receivable, gross		67,052			93,404
Less: allowance for doubtful accounts		(4,183	)		(4,366	)

Accounts receivable, net	$	62,869		$	89,038

The Company offsets its accounts receivable and deferred revenue for any unpaid items included in deferred revenue and advance payments.

The Company maintains an allowance for doubtful accounts which represents its best estimate of probable losses inherent in the accounts receivable balances. The Company evaluates specific accounts when it becomes aware that a customer may not be able to meet its financial obligations due to deterioration of its liquidity or financial viability, credit ratings, or bankruptcy. In addition, the Company periodically adjusts this allowance based upon its review and assessment of the aging of receivables.

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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