Note 2 - Summary of Significant Accounting Policies (Detail) - Fair Value of the Company's Financial Assets Measured on a Recurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Financial Instruments	$ 211	$ 326
Fair Value, Inputs, Level 3 [Member] | Contingent Consideration [Member]
Financial Instruments	1,277	1,621
Interest Rate Swap [Member]
Financial Instruments	211	326
Contingent Consideration [Member]
Financial Instruments	$ 1,277	$ 1,621