Note 7 - Fair Value of Available For Sale Marketable Securities Investments and Investment Income (Details) (USD $)	6 Months Ended
Jun. 30, 2012
Unrealized Gain on Securities	$ 42,770
Unrealized Loss on Securities	$ 11,629

The increase (decrease), resulting in a gain, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

No definition available.

Name:	us-gaap_UnrealizedGainOnSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration