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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | $ 72,493,000 | $ 57,276,000
Finite-Lived Intangible Assets, Accumulated Amortization | 153,050,000 | 132,468,000
Other Finite-Lived Intangible Assets, Accumulated Amortization | $ 6,155,000 | $ 4,768,000
SHAREHOLDERS' EQUITY: |  |
Preferred Stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Preferred Stock, shares authorized ( in shares) | 5,000,000 | 5,000,000
Common Stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common Stock, shares authorized (in shares) | 200,000,000 | 200,000,000
Common Stock, shares issued (in shares) | 49,013,476 | 48,852,193
Common Stock, shares outstanding (in shares) | 47,647,828 | 47,486,545
Treasury Stock |  |
Treasury stock, shares | 1,365,648 | 1,365,648
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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