Note 8 - Supplementary Income Statement Information (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Disclosure Text Block Supplement [Abstract]
Taxes, Other	$ 203,287	$ 290,542

Taxes, excluding payroll, income and excise taxes, if not included elsewhere, that could include production, real and personal property, and other selling and distribution-related taxes.

No definition available.

Name:	us-gaap_TaxesOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration