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Summary of Significant Accounting Policies -Net Income (Loss) Per Share (Details) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net Income (Loss) Per Share
Denominator for basic net income per share - weighted average shares	11,624,000	12,210,000
Effect of dilutive securities: Stock options and restricted stock units		210,000
Denominator for diluted net income per share - weighted average shares	11,624,000	12,420,000
Stock Options
Net Income (Loss) Per Share
Options not included in computation because they were anti-dilutive		672,000
Weighted average exercise of price of options outstanding that were anti-dilutive		$ 3.97

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6508534

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-Publisher FASB
-Name Accounting Standards Codification
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