Stock Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Share-based Compensation [Abstract]

Schedule of performance share awards granted, by performance conditions

The payouts at each performance goal are as follows:

Performance Share Grants with Performance Conditions (in shares)
Below threshold performance	—
Threshold performance	82,296
Target performance	407,175
Maximum performance	594,993

Summary of stock grant activity

The following is a summary of the Company’s stock grant activity assuming target achievement for outstanding performance grants for the following periods:

	June 30, 2013		December 31, 2012
Stock Grants Outstanding Beginning of the Year	688,041		744,508
New Stock Grants/Estimated additional shares maximum performance	56,087		113,643
Vested Grants	(62,997	)	(170,110	)
Expired/Forfeited Grants	(221,552	)	—
Stock Grants Outstanding June 30, 2013	459,579		688,041

Schedule of employee service share-based compensation, allocation of recognized period costs

The following table summarizes stock compensation costs for the Company's 1998 Stock Incentive Plan, or Employee 1998 Plan, and the NDSI Plan for the following periods:

	Six Months Ended			Six Months Ended
Employee 1998 Plan:	June 30, 2013			June 30, 2012
Expensed	$	(952,000	)	$	3,475,000
Capitalized	208,000			167,000
	(744,000		)	3,642,000
NDSI Plan	384,000			183,000
	$	(360,000	)	$	3,825,000