Note 12 - Fair Value of Financial Instruments (Details) - Carrying Value and Fair Value of Financial Assets and Liabilities (USD $)	Sep. 30, 2013		Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in Marketable Securities	$ 3,558,237		$ 4,516,472
Investment in Marketable Securities	3,558,237		4,516,472
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in Marketable Securities	$ 3,558,237	[1]	$ 4,516,472

[1] The Company received $825,704 in principal repayments during the first nine-months of 2013.