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Net Income (Loss) per Common Share (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Schedule of reconciliation of basic and diluted weighted average common shares outstanding
Weighted average common shares outstanding - basic	14,989,248	14,604,942
Dilutive common shares issuable in connection with stock plans	229,795	0
Weighted average common shares outstanding - diluted	15,219,043	14,604,942

X

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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