Note 2 - Stock-based Compensation

6 Months Ended

Jun. 30, 2015

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

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

Note 2: Stock-Based Compensation

The Company’s 1999 Stock Option Plan was terminated on March 9, 2009. Incentive stock options were granted annually to key employees of NBI and its subsidiaries from 1999 to 2005 and none have been granted since 2005. All of the stock options are vested.

Options	Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2015		20,500		$	23.00
Exercised		(4,000	)		23.00
Forfeited or expired		---			---
Outstanding June 30, 2015		16,500		$	23.00		0.359	$	103
Exercisable at June 30, 2015		16,500		$	23.00		0.359	$	103

Options	Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2014		46,000		$	23.96
Exercised		(2,500	)		23.00
Forfeited or expired		(23,000	)		24.93
Outstanding December 31, 2014		20,500		$	23.00		0.85	$	151
Exercisable at December 31, 2014		20,500		$	23.00		0.85	$	151

There were 4,000 shares with an intrinsic value of $23 exercised during the six months ended June 30, 2015. There were 2,500 shares with an intrinsic value of $15 exercised in 2014.