Accounts receivable, net (Tables)

3 Months Ended

Mar. 31, 2013

Receivables [Abstract]

Schedule of Account Receivable, net

	December 31, 2012			March 31, 2013
	(In thousands)
Account receivable, net:
Security Products	$	7,952		$	8,871
Marine Components		744			873
Allowance for doubtful accounts		(216	)		(216	)
Total accounts receivable, net	$	8,480		$	9,528