Stock Option Plan and Restricted Stock Plan	6 Months Ended
Stock Option Plan and Restricted Stock Plan	Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock Option Plan and Restricted Stock Plan	Note 8 - Stock Option Plan and Restricted Stock Plan The Company grants incentive stock options for a fixed number of shares with an exercise price equal to the fair value of the shares at the date of grant to employees. Through June 30, 2016, no options have been granted in 2016. On October 27, 2015, the Company granted 455,000 shares in incentive stock options at an exercise price of $33.89 to its employees. The Company recorded stock option expense totaling $220,000 and $182,000 for the three-month periods ended June 30, 2016 and 2015, respectively. The Company recorded stock option expense totaling $441,000 and $360,000 for the six months ended June 30, 2016 and 2015, respectively. The additional disclosure requirements under authoritative accounting guidance have been omitted due to immateriality. On April 28, 2015, shareholders of the Company approved a restricted stock plan for selected employees, officers, non-employee directors and consultants. On July 21, 2015, 7,070 shares were granted to the ten non-employee directors. Total value of these shares totaled $250,000 and was expensed over the period from grant date to April 26, 2016, the annual shareholders’ meeting at which these director’s term expired. On April 26, 2016, upon re-election of existing directors, 7,660 shares with a total value of $250,000 were granted to the ten non-employee directors and is being expensed over the period from grant day to April 25, 2017, the next scheduled annual shareholders’ meeting at which the current directors’ current term will expire. On October 27, 2015, the Company also granted 32,748 shares with a total value of $1,110,000 to certain officers that is being expensed over the vesting period of three years. The Company recorded restricted stock grant expense for directors and officers of $157,000 for the three month period ended June 30, 2016. The Company recorded restricted stock grant expense for directors and officers of $327,000 for the six month period ended June 30, 2016.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.