Description of Business (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Current Line of Credit	Jun. 25, 2012 Current Line of Credit	Dec. 31, 2012 Promissory note G. Ward Paxton, chief executive officer	Feb. 09, 2012 Promissory note G. Ward Paxton, chief executive officer
Description of Business
Minimum number of years for which local area networking equipment was provided	15 years
Cash and cash equivalents	$ 52,000	$ 308,000	$ 540,000
Net loss	(246,000)	(933,000)
Period during which the entity expects to have sufficient cash resources to finance its operations and capital expenditures	12 months
Description of Business
Funding available				456,000		670,000
Maximum borrowing capacity				$ 625,000	$ 625,000	$ 2,200,000	$ 2,200,000