Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Numerator [Abstract]
Loss from continuing operations	$ (580,000)	$ (3,285,000)
Loss from discontinuing operations	(8,000)	(288,000)
Net income (loss)	(588,000)us-gaap_NetIncomeLoss	(3,573,000)us-gaap_NetIncomeLoss
Denominator [Abstract]
Weighted average shares outstanding - Basic (in shares)	47,822,000	47,596,000
Weighted average shares outstanding - Diluted (in shares)	47,822,000	47,596,000
Basic income (loss) per common share:
Basic income (loss) per common share - continuing operations (in dollars per share)	$ (0.01)	$ (0.07)
Basic loss per common share - discontinued operations (in dollars per share)	$ 0	$ (0.01)
Basic income (loss) per common share (in dollars per share)	$ (0.01)us-gaap_EarningsPerShareBasic	$ (0.08)us-gaap_EarningsPerShareBasic
Diluted income (loss) per common share
Diluted income (loss) per common share - continuing operations (in dollars per share)	$ (0.01)	$ (0.07)
Diluted loss per common share - discontinued operations (in dollars per share)	$ 0	$ (0.01)
Diluted income (loss) per common share (in dollars per share)	$ (0.01)us-gaap_EarningsPerShareDiluted	$ (0.08)us-gaap_EarningsPerShareDiluted
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options exercisable which were not included in computation of diluted earnings per share (in shares)	144,095	153,889
Stock-Based Compensation [Abstract]
Share-based compensation expense recognized	663,000us-gaap_ShareBasedCompensation	499,000us-gaap_ShareBasedCompensation
Unrecognized pre-tax compensation expense related to share-based awards not yet vested	$ 6,000,000
Weighted-average period of recognition	1 year 7 months 6 days

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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