Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2013

Significant Accounting Policies [Abstract]

Allowance for doubtful accounts

The following table sets forth the details of the Allowance for Doubtful Accounts for the three and nine-month periods ended September 30, 2013 and 2012:

	Beginning Balance		Charge Offs		Recoveries		Provision			Ending Balance
	Three Months Ended September 30,
2013	$	24,600	$	—	$	—	$	5,000		$	29,600
2012		37,900		—		—		(7,700	)		30,200
		Nine Months Ended September 30,
2013	$	33,900	$	—	$	—	$	(4,300	)	$	29,600
2012		25,000		—		—		5,200			30,200

Schedule of most significant customers

For the three and nine-month periods ended September 30, 2013 and 2012 respectively, we considered the customers listed in the following tables to be our most significant customers. The tables set forth the percentage of sales attributable to each customer for the three and nine-month periods ended September 30, 2013 and 2012, and the respective customer’s ending accounts receivable balance as a percentage of reported accounts receivable, net, as of September 30, 2013 and 2012.

	Three Months Ended September 30, 2013						Three Months Ended September 30, 2012
Customer	Sales			Accounts Receivable			Sales			Accounts Receivable
Elosoft		10.4	%		15.1	%		7.2	%		10.7	%
IDS		9.9	%		4.5	%		8.7	%		1.2	%
GE		9.7	%		16.5	%		10.1	%		19.8	%
Alcatel-Lucent		8.4	%		16.2	%		7.2	%		14.3	%
GAD		6.4	%		—			5.5	%		—
Total		44.8	%		52.3	%		38.7	%		46.0	%

	Nine Months Ended September 30, 2013						Nine Months Ended September 30, 2012
Customer	Sales			Accounts Receivable			Sales			Accounts Receivable
Elosoft		6.3	%		15.1	%		5.5	%		10.7	%
IDS		6.6	%		4.5	%		5.4	%		1.2	%
GE		6.8	%		16.5	%		8.1	%		19.8	%
Alcatel-Lucent		7.5	%		16.2	%		4.8	%		14.3	%
GAD		4.7	%		—			10.5	%		—
Total		31.9	%		52.3	%		34.3	%		46.0	%