XML 23 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
ACCOUNTS RECEIVABLE (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
ACCOUNTS RECEIVABLE [Abstract]      
Percentage of amounts financed under in-house credit programs, as a percent of net sales (in hundredths) 4.60% 5.20% 5.70%
Duration of no interest credit programs 12 months    
Term of other programs, minimum 30 days    
Term of other programs, maximum 2 years    
Interest rate of other programs, minimum (in hundredths) 0.00%    
Interest rate of other programs, maximum (in hundredths) 21.00%    
Accounts receivable due per scheduled payment [Abstract]      
Accounts receivables collectible in one year $ 10,112,000    
Accounts receivables collectible in two years 660,000    
Accounts receivables collectible in three years 142,000    
Accounts receivables collectible in four years 5,000    
Allowance for doubtful accounts $ 395,000 $ 525,000  
Number of states in which accounts receivable originated 17