Note 1 - Organization and Summary of Significant Accounting Policies (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Advertising Expense (in Dollars)	$ 386,000	$ 331,000
Building [Member] | Minimum [Member]
Property, Plant and Equipment, Estimated Useful Lives	ten
Building [Member] | Maximum [Member]
Property, Plant and Equipment, Estimated Useful Lives	forty
Equipment, Furniture, and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment, Estimated Useful Lives	three
Equipment, Furniture, and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment, Estimated Useful Lives	ten
2005 Stock Option Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	10 years
2005 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	550,000
Troubled Debt Restructuring [Member]
Financing Receivable, Modifications, Recorded Investment (in Dollars)	6,500,000	8,400,000
Properties [Member]
Valuation Allowance, Amount (in Dollars)	$ 575,000	$ 331,000