Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.1.9
Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Consolidated Balance Sheets [Abstract]    
Trade accounts receivable, allowance for doubtful accounts $ 22,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 69,000us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Preferred stock, par value $ 1.00us-gaap_PreferredStockParOrStatedValuePerShare $ 1.00us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 3,000,000us-gaap_PreferredStockSharesAuthorized 3,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Common stock, par value $ 0.05us-gaap_CommonStockParOrStatedValuePerShare $ 0.05us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 30,000,000us-gaap_CommonStockSharesAuthorized 30,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 8,654,756us-gaap_CommonStockSharesIssued 8,553,320us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 8,654,756us-gaap_CommonStockSharesOutstanding 8,553,320us-gaap_CommonStockSharesOutstanding