CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
CURRENT ASSETS:
Allowance for doubtful accounts	$ 179	$ 252
SHAREHOLDERS' EQUITY:
Preferred stock - par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock - shares authorized (in shares)	960,000us-gaap_PreferredStockSharesAuthorized	960,000us-gaap_PreferredStockSharesAuthorized
Preferred stock - outstanding (in shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock - par value (in dollars per share)	$ 0.10	$ 0.10
Common stock - shares authorized (in shares)	7,500,000us-gaap_CommonStockSharesAuthorized	7,500,000us-gaap_CommonStockSharesAuthorized
Common stock - shares issued (in shares)	4,217,596us-gaap_CommonStockSharesIssued	4,217,596us-gaap_CommonStockSharesIssued
Common stock - shares outstanding (in shares)	4,217,596us-gaap_CommonStockSharesOutstanding	4,217,596us-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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