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(Parentheticals) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Assets [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 5,287,000	$ 5,130,000
Liabilities and Equity [Abstract]
Common Stock, No Par Value	$ 0.00	$ 0.00
Common Stock, Shares Authorized	120,000,000	120,000,000
Treasury Stock, Shares	1,692,220	1,787,844
Common Stock, Shares, Issued	55,253,092	50,350,048

X

- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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-Number 210



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- Definition

Face amount per share of no-par value common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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