Note 6 - Commitments and Contingencies (Details) (USD $)	3 Months Ended	9 Months Ended				12 Months Ended		3 Months Ended		12 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Mar. 31, 2013 Balance [Member]	Dec. 31, 2011 Foreign Withholding Claims [Member]	Dec. 31, 2010 Foreign Withholding Claims [Member]	Mar. 31, 2013 Foreign Withholding Claims 2006 And 2008 [Member]	Dec. 31, 2010 Foreign Withholding Claims 2006 And 2008 [Member]	Dec. 31, 2011 Penalties And Interest [Member]	Sep. 30, 2013 Non-Compete Provision [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]
Note 6 - Commitments and Contingencies (Details) [Line Items]
Employment Agreement Term												1 year	3 years
Due to Employees		$ 1,747,000
Employment Agreement Non-Compete Term Minimum		6 months
Employment Agreement Non-Compete Term Maximum		1 year
Contractual Obligation, Due in Next Twelve Months											2,290,000
Employment Agreement Non-Compete Cost Paid	168,000	0	515,000
Loss Contingency, Estimate of Possible Loss							726,000		197,000
Loss Contingency, Loss in Period						223,000				26,000
Payments for Legal Settlements								454,000
Business Combination, Contingent Consideration, Liability				$ 509,000	$ 454,000