Stock Based Compensation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 487,000	$ 1,185,000
Stock-based compensation expense, tax benefit	$ 197,000	$ 114,000
No. of Shares [Roll Forward]
Outstanding (in shares)	1,240,000
Options granted (in shares)	118,000
Exercised (in shares)	(94,000)
Forfeited and cancelled (in shares)	(211,000)
Expired (in shares)	(120,000)
Outstanding (in shares)	933,000	1,240,000
Vested and expected to vest (in shares)	905,000
Total shares exercisable (in shares)	302,000
Shares remaining available for grant (in shares)	1,000,000
Weighted Average Exercise Price [Roll Forward]
Outstanding (in dollars per share)	$ 5.28
Options granted (in dollars per share)	4.90
Exercised (in dollars per share)	5.04
Forfeited and cancelled (in dollars per share)	5.09
Expired (in dollars per share)	6.50
Outstanding (in dollars per share)	5.14	$ 5.28
Vested and expected to vest (in dollars per share)	5.14
Total shares exercisable (in dollars per share)	$ 5.14
Aggregate Intrinsic Value [Abstract]
Outstanding	$ 1,264,000
Outstanding	1,579,000	$ 1,264,000
Vested and expected to vest	1,532,000
Total shares exercisable	$ 512,000
Weighted average grant date fair value of options granted (in dollars per share)	$ 1.44	$ 1.68
Total intrinsic value of options exercised	$ 119,000	$ 0
Assumptions used for fair value of options at the date of the grant [Abstract]
Expected option life	5 years 1 month 6 days	5 years 10 months 24 days
Weighted average risk-free interest rate	1.60%	1.70%
Weighted average expected volatility	30.00%	31.00%
Expected dividend yield	0.00%	0.00%
Unrecognized compensation expense	$ 758,000
Period for recognition	2016 through 2018
Weighted average grant date fair value [Roll Forward]
Restricted stock awards granted (in shares)	34,000	170,000
Share price (in dollars per share)	$ 0.02
Days prior to grant date considered for fair value of award	0 days
Weighted average grant date fair value (in dollars per share)	$ 4.67	$ 5.24
Shares released (in shares)	110,000	112,000
Restricted stock awards cancelled (in shares)	112,000	62,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 182,000	$ 608,000
Restricted Stock [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	0 months
Restricted Stock [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	60 months
Performance Based Restricted Stock [Member]
Weighted average grant date fair value [Roll Forward]
Restricted stock awards granted (in shares)		109,000
Restricted stock awards cancelled (in shares)	102,000	52,000
Performance Based Restricted Stock [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	12 months
Performance Based Restricted Stock [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	36 months
Non-vested Equity Awards [Member]
Activity of nonvested options outstanding [Roll Forward]
Balance (in shares)	273,000
Granted (in shares)	34,000
Vested (in shares)	(110,000)
Forfeited and cancelled (in shares)	(112,000)
Balance (in shares)	85,000	273,000
Weighted average grant date fair value [Roll Forward]
Balance (in dollars per share)	$ 4.68
Granted (in dollars per share)	4.67
Vested (in dollars per share)	4.71
Forfeited and cancelled (in dollars per share)	3.95
Balance (in dollars per share)	$ 5.13	$ 4.68
2015 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved under plan (in shares)	1,000,000
Expiration period	10 years
2015 Equity Incentive Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
2015 Equity Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
$4.31 to $6.47 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower Range of Exercise Price (in dollars per share)	$ 4.31
Upper Range of Exercise Price (in dollars per share)	$ 6.47
Number Outstanding (in shares)	933,000
Weighted Average Remaining Life	8 years 1 month 6 days
Weighted Average Exercise Price (in dollars per share)	$ 5.14