Accounts Receivable and Allowance for Doubtful Accounts

3 Months Ended

Mar. 31, 2012

Accounts Receivable and Allowance for Doubtful Accounts

Accounts Receivable and Allowance for Doubtful Accounts

Note 3. Accounts Receivable and Allowance for Doubtful Accounts

        Accounts receivable consisted of the following (in thousands):

	March 31, 2012			December 31, 2011
Trade accounts receivable	$	28,533		$	26,432
Other receivables		780			572
Less: Allowance for doubtful accounts		(592	)		(476	)
	$	28,721		$	26,528

        The Company had bad debt expense in the three months ended March 31, 2012 and 2011 of $0.1 million, and zero, respectively.

        The following is a summary of customers that accounted for at least 10% of the Company's sales in the three months ended March 31, 2012 or 2011:

	Percentage of Revenues
	For the Three Months Ended March 31, 2012			For the Three Months Ended March 31, 2011
Helicorp (Australia)		26.7	%		40.9	%
Italian Ministry of Civil Protection		17.0	%		21.8	%
		43.7	%		62.7	%

        The Company performs ongoing credit evaluations of its customers and believes it has made adequate provisions for potential credit losses. The Company does not generally require collateral on accounts receivable; however, under certain circumstances, the Company obtains a letter of credit or requires prepayment prior to performing services. The Company estimates its allowance for doubtful accounts using a specific identification method based on an evaluation of payment history, the customer's credit situation, and other factors. At March 31, 2012, three customers made up 55.0% of the Company's accounts receivable balance. At December 31, 2011, three customers made up 52.5% of the Company's accounts receivable balance. Allowance for doubtful accounts was $0.6 million and $0.5 million at March 31, 2012 and December 31, 2011, respectively.

        The accounts receivable attributable to the following customers represented the percentage of total accounts receivable as set forth in the table below:

	Percentage of Total Accounts Receivable
	As of March 31, 2011			As of December 31, 2011
Italian Ministry of Civil Protection		29.8	%		18.9	%
Hellenic Fire Brigade (Greece)		20.6	%		21.6	%
Helicorp (Australia)		4.6	%		12.0	%
		55.0	%		52.5	%