Equity Plan (Tables)

6 Months Ended

Jun. 30, 2013

Equity Plan

Schedule of stock option activity under the 2004 Plan

Total Stock Options	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value
Outstanding at January 1, 2013		1,314,347		$	12.90
Granted		272,050		$	6.57
Exercised		(6,374	)	$	4.09
Forfeited or expired		(29,885	)	$	11.49
Outstanding at June 30, 2013		1,550,138		$	11.85		6.1	$	1,030,000
Vested or expected to vest		1,472,631					6.1	$	978,000
Exercisable at June 30, 2013		1,033,651					4.6	$	592,000

Schedule of restricted stock activity under the 2004 Plan

Total Restricted Stock Award	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares at January 1, 2013		88,000		$	5.74
Granted		10,000		$	6.51
Vested		(40,000	)	$	5.16
Forfeited		—		$	—
Nonvested shares at June 30, 2013		58,000		$	6.28