Note 6 - Goodwill and other intangible assets (Details 1) (USD $)	6 Months Ended
	Jun. 30, 2012
Goodwill [Line Items]
Accumulated Carry amount	$ 2,059,000
Net Amortization	690,588
Carry amount	1,368,412
CLR Intangible [Member]
Goodwill [Line Items]
Accumulated Carry amount	759,000
Net Amortization	365,594
Carry amount	393,406
Weighted average remaining amortization period	2.04 years
IP Rights Agreement [Member]
Goodwill [Line Items]
Accumulated Carry amount	1,300,000
Net Amortization	324,994
Carry amount	$ 975,006
Weighted average remaining amortization period	5.13 years