Note 4 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Computer Software, Intangible Asset [Member]
Capitalized Internal Software, Amount	$ 652
Amortization of Intangible Assets	176	$ 169
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	875
Finite-Lived Intangible Assets, Amortization Expense, Year Two	953
Finite-Lived Intangible Assets, Amortization Expense, Year Three	953
Finite-Lived Intangible Assets, Amortization Expense, Year Four	909
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 892