Business Description and Summary of Significant Accounting Policies (Detail Textuals) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Business Description and Summary Of Significant Accounting Policies [Abstract]
Allowance for doubtful accounts	$ 63,000		$ 66,000
Inventory reserve	1,305,000us-gaap_InventoryValuationReserves		1,254,000us-gaap_InventoryValuationReserves
Income taxes paid	46,000us-gaap_IncomeTaxesPaid
Income taxes refunded (net of payments)		36,000us-gaap_ProceedsFromIncomeTaxRefunds
Interest paid	$ 28,000us-gaap_InterestPaid	$ 9,000us-gaap_InterestPaid

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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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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The amount of cash paid for interest during the period.

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Amount of valuation reserve for inventory.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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