Note 11 - Commitments and Contingencies (Detail) (USD $)	3 Months Ended	48 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Operating Leases, Rent Expense	$ 216,018	$ 198,638
Patent Royalty Percentage Obligation			2.00%
Other Expenses	$ 50,211	$ 57,157

This element represents a sum total of expenses not separately reflected on the income statement for the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4,6)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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