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EARNINGS PER COMMON AND COMMON EQUIVALENT SHARE - Reconciliation of denominator (Details)
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12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||
| Denominator for basic earnings per share- weighted average shares | 16,232,381 | 16,230,165 | 16,170,107 |
| Effect of dilutive securities: | |||
| Denominator for diluted earnings per share- adjusted weighted average shares and assumed conversions | 16,633,683 | 16,711,192 | 16,717,277 |
| Exercisable stock options | |||
| Effect of dilutive securities: | |||
| Effect of dilutive securities | 401,302 | 481,027 | 547,170 |
| Convertible warrants | |||
| Effect of dilutive securities: | |||
| Effect of dilutive securities | |||