Note 8 - Acquisition of Business (Details) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Note 8 - Acquisition of Business (Details) [Line Items]
Payments to Acquire Businesses, Gross	$ 32,483,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)	209,000			208,617
Business Combination, Contingent Consideration, Liability	7,200,000	7,200,000		7,200,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	18,400,000
Amortization of Intangible Assets		504,000	241,000	577,000	723,000
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed		765,000		995,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		9,038,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		170,000
HPI [Member]
Note 8 - Acquisition of Business (Details) [Line Items]
Amortization of Intangible Assets		467,000
Customer Relationships [Member]
Note 8 - Acquisition of Business (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	8,700,000
Finite-Lived Intangible Asset, Useful Life				10 years
Noncompete Agreements [Member]
Note 8 - Acquisition of Business (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	5,000,000
Finite-Lived Intangible Asset, Useful Life				5 years
Trade Names [Member]
Note 8 - Acquisition of Business (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 4,700,000