CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 24,813,000	$ 22,756,000
Finite-Lived Intangible Assets, Accumulated Amortization	43,838,000	32,841,000
Shareholders' Equity
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized ( in shares)	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized (in shares)	100,000,000us-gaap_CommonStockSharesAuthorized	100,000,000us-gaap_CommonStockSharesAuthorized
Common Stock, shares issued (in shares)	47,061,826us-gaap_CommonStockSharesIssued	46,825,168us-gaap_CommonStockSharesIssued
Common Stock, shares outstanding (in shares)	47,061,826us-gaap_CommonStockSharesOutstanding	46,825,168us-gaap_CommonStockSharesOutstanding
Treasury Stock
Treasury stock, at cost	1,357,863us-gaap_TreasuryStockShares	401,501us-gaap_TreasuryStockShares
Series A Nonconvertible Preferred Stock [Member]
Shareholders' Equity A Nonconvertible Preferred Stock
Preferred Stock, shares issued (in shares)	200,000	200,000
Preferred Stock, shares outstanding (in shares)	200,000	200,000
Preferred Stock, liquidation value per share (in dollars per share)	$ 7.50	$ 7.50
Preferred Stock, liquidation value	$ 1,500,000	$ 1,500,000

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The total liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Face amount or stated value per share of common stock.

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