Significant Accounting Policies (Tables)

6 Months Ended

Jun. 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 six-month periods ended June 30, 2013 and 2012:

	Beginning Balance		Charge Offs		Recoveries		Provision			Ending Balance
Three Months Ended June 30,
2013	$	15,600	$	—	$	—	$	9,000		$	24,600
2012		25,200		—		—		12,700			37,900
Six Months Ended June 30,
2013	$	33,900	$	—	$	—	$	(9,300	)	$	24,600
2012		25,000		—		—		12,900			37,900

Schedule of most significant customers

The table sets forth the percentage of sales attributable to each customer for the three and six-month periods ended June 30, 2013 and 2012, and the respective customer’s ending accounts receivable balance as a percentage of reported accounts receivable, net, as of June 30, 2013 and 2012.

	Three Months Ended June 30, 2013						Three Months Ended June 30, 2012
Customer	Sales			Accounts Receivable			Sales			Accounts Receivable
GE		8.2	%		14.4	%		6.7	%		14.0	%
Ericsson		7.7	%		36.7	%		7.2	%		15.1	%
GAD		7.3	%		0.0	%		26.0	%		1.0	%
Intellisis		6.5	%		0.0	%		0.0	%		0.0	%
Total		29.7	%		51.1	%		39.9	%		30.1	%

	Six Months Ended June 30, 2013						Six Months Ended June 30, 2012
Customer	Sales			Accounts Receivable			Sales			Accounts Receivable
Ericsson		10.2	%		36.7	%		7.0	%		15.1	%
Alcatel-Lucent		7.1	%		8.3	%		3.8	%		8.8	%
GE		5.3	%		14.4	%		7.3	%		14.0	%
IDS		5.0	%		0.0	%		4.0	%		0.0	%
Total		27.6	%		59.4	%		21.1	%		37.9	%