Note 2 - Notes Payable And Long-Term Debt (Detail) - Summary of Credit Agreement and Line of Credit Note: (Parentheticals) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2013	Dec. 31, 2012	Apr. 30, 2008
Line of Credit Note term	10 years	10 years
Line of Credit Note monthly principal payments (in Dollars)	$ 16,875	$ 16,875
Line of Credit Note interest rate	7.10%	7.10%	7.10%

Amount of the required periodic payments applied to principal.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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