Note 4 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Computer Software, Intangible Asset [Member]
Capitalized Internal Software, Amount			$ 1,419
Finite-Lived Intangible Assets, Amortization Expense, Year Four	$ 1,062		1,062
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1,062		1,062
Amortization of Intangible Assets	227	$ 245	614	$ 580
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	845		845
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,062		1,062
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 1,043		$ 1,043