Note 7 - Basic and Diluted Earnings Per Common Share (Detail) - Earnings Per Share Reconciliation (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income (numerator) (in Dollars)	$ 374,000	$ 304,000	$ 444,000	$ 192,000
Shares (denominator):
Basic weighted average common shares outstanding	20,857,189	22,427,403	20,922,638	22,431,009
Diluted weighted average common shares outstanding	20,857,189	22,427,403	20,922,638	22,431,009
Earnings per common share:
Basic (in Dollars per share)	$ 0.02	$ 0.01	$ 0.02	$ 0.01
Diluted (in Dollars per share)	$ 0.02	$ 0.01	$ 0.02	$ 0.01