Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 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-month periods ended March 31, 2013 and 2012:

	Beginning Balance		Charge Offs		Recoveries		Provision			Ending Balance
2013	$	33,900	$	—	$	—	$	(18,300	)	$	15,600
2012		25,000		—		—		200			25,200

Schedule of most significant customers

For the three-month periods ended March 31, 2013 and 2012, respectively, we considered the following to be its most significant customers. The table sets forth the percentage of sales attributable to each customer for the three-month periods ended March 31, 2013 and 2012, and the respective customer's ending accounts receivable balance as a percentage of reported accounts receivable, net, as of March 31, 2013 and 2012.

	2013						2012
Customer	Sales			Accounts Receivable			Sales			Accounts Receivable
Ericsson		12.8	%		27.8	%		6.9	%		18.3	%
Alcatel-Lucent		10.0	%		21.8	%		4.0	%		10.5	%
IDS		8.4	%		0.0	%		5.5	%		0.0	%
Elosoft		6.5	%		10.8	%		3.6	%		7.6	%
Total		37.7	%		60.4	%		20.0	%		36.4	%