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Note B - Factoring (Detail)
 24 Months Ended
Dec. 31, 2012
Factoring Arrangment Term 24 months
Percentage of Accounts Receivable Remitted by Factor 75.00%
Minimum [Member]
  
Factoring Fees, Percent 2.75%
Maximum [Member]
  
Factoring Fees, Percent 15.00%