CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
CURRENT ASSETS:
Allowance for doubtful accounts	$ 420,000	$ 420,000
SHAREHOLDERS' EQUITY:
Preferred Stock, par value (in dollars per share)	$ 0us-gaap_PreferredStockNoParValue	$ 0us-gaap_PreferredStockNoParValue
Preferred Stock, authorized (in shares)	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred Stock, outstanding (in shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common Stock, par value (in dollars per share)	$ 0us-gaap_CommonStockNoParValue	$ 0us-gaap_CommonStockNoParValue
Common Stock, authorized (in shares)	20,000,000us-gaap_CommonStockSharesAuthorized	20,000,000us-gaap_CommonStockSharesAuthorized
Common Stock, issued (in shares)	1,859,689us-gaap_CommonStockSharesIssued	1,852,565us-gaap_CommonStockSharesIssued
Common Stock, outstanding (in shares)	1,859,689us-gaap_CommonStockSharesOutstanding	1,852,565us-gaap_CommonStockSharesOutstanding

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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