Note 6 - Capital Stock, Treasury Stock, Contributed Capital and Stock Options (Details) (USD $)	3 Months Ended							3 Months Ended												1 Months Ended	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Oct. 11, 2012 Original Authorized Shares [Member] Common Class A [Member]	Oct. 11, 2012 Original Authorized Shares [Member] Common Class B [Member]	Oct. 11, 2012 Current Authorized Shares [Member] Common Class A [Member]	Oct. 11, 2012 Current Authorized Shares [Member] Common Class B [Member]	Feb. 27, 2013 Common Class A [Member] 2013 Omnibus Equity Plan [Member]	Dec. 31, 2012 Common Class A [Member] Directors Plans [Member]	Dec. 31, 2013 Common Class A [Member] Directors Plans [Member]	Sep. 30, 2013 Common Class A [Member] Directors Plans [Member]	Feb. 27, 2013 Common Class A [Member] Directors Plans [Member]	Dec. 31, 2013 Common Class A [Member]	Sep. 30, 2013 Common Class A [Member]	Dec. 31, 2012 Common Class A [Member]	Oct. 11, 2012 Common Class A [Member]	Dec. 31, 2013 Common Class B [Member]	Sep. 30, 2013 Common Class B [Member]	Dec. 31, 2012 Common Class B [Member]	Oct. 11, 2012 Serial Preferred Shares [Member]	Feb. 27, 2013 Employee Plans [Member]	Dec. 31, 2013 Directors Plans [Member]	Dec. 31, 2012 Directors Plans [Member]	Feb. 27, 2013 Directors Plans [Member]
Note 6 - Capital Stock, Treasury Stock, Contributed Capital and Stock Options (Details) [Line Items]
Common Stock, Shares Authorized			3,750,000	1,000,000	10,000,000	2,500,000						10,000,000	10,000,000	10,000,000		2,500,000	2,500,000	2,500,000	1,000,000
Common Stock, Capital Shares Reserved for Future Issuance							150,000								958,233
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term																				10 years	10 years	10 years
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit (in Dollars per share)								$ 2.925												$ 2.925
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options									31,000	42,000	31,000												31,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit (in Dollars per share)								$ 11.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term																						3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																						3 years
Share-based Compensation (in Dollars)	$ 1,208	$ 2,841																			$ 1,208	$ 2,841
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate																					5.00%	5.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate																					0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate																					0.87%	0.87%