Description of Business (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Feb. 05, 2015	Jun. 24, 2014	Dec. 31, 2013
Description of Business
Minimum number of years for which local area networking equipment was provided	15 years
Cash and cash equivalents	$ 102,000	$ 1,006,000			$ 1,139,000
Net loss	$ 1,249,000	$ 274,000
Period during which the entity expects to have sufficient cash resources to finance its operations and capital expenditures	12 months
Current Line of Credit | SVB
Description of Business
Funding Available	$ 380,000
Maximum borrowing capacity	625,000			$ 625,000
Promissory note | G. Ward Paxton, chief executive officer
Description of Business
Funding Available	670,000
Maximum borrowing capacity	$ 2,200,000		$ 2,200,000