Note 2 - Segment reporting (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 2,731,599	$ 2,545,429	$ 8,615,139	$ 9,006,867
Gross Profit	1,078,821	868,197	3,423,246	3,233,764
Government Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	609,092	1,367,065	2,569,967	5,620,297
Gross Profit	257,345	570,247	1,076,205	2,121,297
Communication Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	2,122,507		6,045,172	3,386,570
Gross Profit	821,476		2,347,041	1,112,467
Communication Serivices [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues		1,178,364
Gross Profit		$ 297,950