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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Receivables, reserve | $ 1 | $ 59
Other intangible assets, accumulated amortization | 21,420 | 21,116
Property and equipment, accumulated depreciation | $ 57,924 | $ 56,034
Treasury stock, shares | 5,469,469 | 5,411,429
Class A [Member] |  |
Common stock, no par value | $ 0 | $ 0
Common stock, shares authorized | 20,000 | 20,000
Common stock, shares issued | 9,000 | 9,000
Common stock, shares outstanding | 9,000 | 9,000
Class B [Member] |  |
Common stock, no par value | $ 0 | $ 0
Common stock, shares authorized | 900,000,000 | 900,000,000
Common stock, shares issued | 109,505,456 | 109,505,456

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