Accounts Receivable

6 Months Ended

Mar. 31, 2012

Receivables [Abstract]

Accounts Receivable [Text Block]

Accounts Receivable

The components of accounts receivable consisted of the following:

(in thousands)	As of			As of
	March 31, 2012			September 30, 2011
Accounts receivable	$	28,571		$	33,938
Accounts receivable – unbilled	2,753			4,269
Accounts receivable, gross	31,324			38,207
Allowance for doubtful accounts	(3,213		)	(3,332		)
Accounts receivable, net	$	28,111		$	34,875

Unbilled accounts receivable represents revenue recognized but not yet billed as of the period ended. Billings on contracts using the percentage-of-completion method usually occur upon completion of predetermined contract milestones or other contract terms, such as customer approval. The allowance for doubtful accounts is based on the age of receivables and a specific identification of receivables considered at risk of collection.

As of March 31, 2012 and September 30, 2011, we had $4.6 million and $3.3 million, respectively, of accounts receivable recorded using the percentage of completion method. Of these amounts, $2.0 million was invoiced and $2.6 million was unbilled as of of March 31, 2012; and, $1.3 million was invoiced and $2.0 million was unbilled as of September 30, 2011.