Note 5 - Supplemental Cash Flow Information (Details) (USD $)	0 Months Ended	9 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Mar. 06, 2012
Supplemental Cash Flow Elements [Abstract]
Income Taxes Paid (in Dollars)		$ 1,533,000	$ 1,296,000
Interest Paid (in Dollars)		$ 76,000	$ 24,000
Shares, Issued				44,912
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)	209,000	208,617
Shares Received as Payment for Stock Options Exercised			8,403
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		34,758	8,896