Note 2 - Segment reporting (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 10,773,593	$ 11,447,136
Gross Profit	3,777,970	3,888,980
Total Assets	4,940,090	5,943,695
Government Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	3,243,377	6,874,878
Gross Profit	1,341,785	2,559,092
Total Assets	2,970,251	3,845,776
Communication Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	7,530,216	4,572,258
Gross Profit	2,436,185	1,329,887
Total Assets	$ 1,969,839	$ 2,097,919