Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Property and equipment, accumulated depreciation and amortization	$ 15,647	$ 15,172
Leased property under capital leases, accumulated depreciation and amortization	$ 3,981	$ 3,867
Common Class A [Member]
Par Value	$ 0.01	$ 0.01
Common Class B [Member]
Par Value	$ 0.01	$ 0.01

Cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land or leased assets).

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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Face amount or stated value per share of common stock.

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