Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2015

Incentive Plans [Abstract]

Common stock reserved for issuance under stock option and other employee benefit plans

Common stock reserved for issuance under the Company's 1993 Stock Incentive Plan and other non-related employee benefit plans is as follows:

(in thousands)	June 30, 2015
1993 Stock Incentive Plan	4,320
Other employee benefit plan	110
Total common shares reserved for issuance	4,430