Note 6 - Stock Option Plan (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Number of Shares		Weighted Average Grant Date Fair Value
Nonvested at January 1, 2015		-		-
Granted		19,500	$	24.50
Vested		500		24.50
Forfeited		1,000		24.50
Nonvested at June 30, 2015		18,000	$	24.50