Note 6 - Goodwill and other intangible assets (Details 1) (USD $)	9 Months Ended
	Sep. 30, 2012
Goodwill [Line Items]
Accumulated Carry amount	$ 2,059,000
Net Amortization	803,536
Carry amount	1,255,464
IP Rights Agreement
Goodwill [Line Items]
Accumulated Carry amount	1,300,000
Net Amortization	357,494
Carry amount	942,506
Weighted average remaining amortization period	P1Y9M14D
CLR Intangible
Goodwill [Line Items]
Accumulated Carry amount	759,000
Net Amortization	446,042
Carry amount	$ 312,958
Weighted average remaining amortization period	P4Y10M17D