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Note 4 - Accounts Receivable	6 Months Ended
Note 4 - Accounts Receivable	Jun. 30, 2012
Financing Receivables [Text Block]	4. ACCOUNTS RECEIVABLE Accounts receivable include amounts that are unbilled at the end of the period. Unbilled accounts receivable are determined on an individual contract basis and were approximately $8.9 million and $11.0 million as of June 30, 2012 and December 31, 2011, respectively.