XML 34 R62.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Note 10 - Defined Contribution Plans (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 37,000 | $ 38,000

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration