Note 2 - Segment reporting (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 2,488,203	$ 3,194,686	$ 5,883,684	$ 6,461,437
Gross Profit	984,585	1,200,180	2,341,878	2,365,563
Government Services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	648,971	1,997,406	1,961,019	4,253,232
Gross Profit	302,381	748,604	818,860	1,551,050
CommunicationServicesMember
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	1,839,232		3,922,666	2,208,205
Gross Profit	682,204		1,523,018	814,513
Communication Serivices [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues		1,197,280
Gross Profit		$ 451,576