Consolidated Balance Sheets (Parenthetical) (Parentheticals) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Consolidated Balance Sheets [Abstract]
Due from Related Parties, Current	$ 158,000us-gaap_DueFromRelatedPartiesCurrent	$ 1,628,000us-gaap_DueFromRelatedPartiesCurrent
Allowance for Bad Debts Reserve and Sales Returns	$ 458,000	$ 883,000
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000,000us-gaap_PreferredStockSharesAuthorized	5,000,000us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	100,000,000us-gaap_CommonStockSharesAuthorized	100,000,000us-gaap_CommonStockSharesAuthorized
Common Stock, Shares, Issued	47,202,835us-gaap_CommonStockSharesIssued	46,571,034us-gaap_CommonStockSharesIssued
Common Stock, Shares, Outstanding	43,983,651us-gaap_CommonStockSharesOutstanding	43,351,850us-gaap_CommonStockSharesOutstanding
Treasury Stock, Shares	3,219,184us-gaap_TreasuryStockShares	3,219,184us-gaap_TreasuryStockShares

Allowance for bad debts reserve and sales returns.

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Face amount or stated value per share of common stock.

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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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The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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