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Note 6 - Commitments and Contingencies (Detail) (USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Jan. 31, 2011 | Jul. 31, 2010 | May 31, 2010 | Sep. 30, 2005 | Apr. 03, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | May 25, 2012 | Jun. 01, 2011 | Apr. 21, 2011 | Nov. 30, 2009
Unrecorded Unconditional Purchase Obligation |  |  |  |  |  |  | $ 457,000 |  |  |  |  |
Royalty Expense |  |  |  |  |  |  | 1,000 | 5,000 |  |  |  |
Employment Contract Term |  |  |  |  |  |  | 1 year |  |  |  |  |
Number Of Exigent Contracts Adjusted |  |  |  |  | 3 |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  | 1,400,000 |  |  |  |  |  |  |
Loss Contingency, Settlement Agreement, Consideration |  |  |  |  |  |  |  |  | 125 | 2,700,000 | 2,730,000 |
Loss Contingency, Loss in Period |  |  |  |  |  | 2,730,000 |  |  |  |  |  |
Contingency Settlement, Interest Rate |  |  |  |  |  |  |  |  |  | 2.625% |  |
Loss Contingency, Damages Sought, Value | 60,000,000 |  | 1,100,000 | 1,500,000 |  |  |  |  |  |  |  |
Litigation Settlement, Expense |  | 1,100,000 |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Covered By Insurance |  | 1,075,000 |  |  |  |  |  |  |  |  |  |
Underfunding Liability |  |  |  |  |  |  |  |  |  |  |  | 452,000
Settlement Agreement Payable |  |  |  |  |  |  |  |  |  |  |  | 520,000
Settlement Agreement, Monthly Installment Amount |  |  |  |  |  |  |  |  |  |  |  | 43,000
Community Development Block Grant [Member] |  |  |  |  |  |  |  |  |  |  |  |
Received To Date Under Grant | 480,000 |  |  |  |  |  |  | 480,000 |  |  |  |
Minimum Full Time Employees Required |  |  |  |  |  |  |  | 30 |  |  |  |
Percentage Of Positions Required To Be Made Available To Low Or Moderate Income Families |  |  |  |  |  |  |  | 0.51 |  |  |  |
Employment Requirement Term |  |  |  |  |  |  |  | 3 years |  |  |  |
Minimum Required Equipment And Working Capital Investment |  |  |  |  |  |  |  | 1,000,000 |  |  |  |
Investment Requirement Term |  |  |  |  |  |  |  | 3 years |  |  |  |
Mississippi Rural Impact Fund Grant [Member] |  |  |  |  |  |  |  |  |  |  |  |
Received To Date Under Grant | 150,000 |  |  |  |  |  |  | 150,000 |  |  |  |
Minimum Full Time Employees Required |  |  |  |  |  |  |  | 30 |  |  |  |
Percentage Of Positions Required To Be Made Available To Low Or Moderate Income Families |  |  |  |  |  |  |  | 0.51 |  |  |  |
Employment Requirement Term |  |  |  |  |  |  |  | 2 years |  |  |  |
Minimum Required Equipment And Working Capital Investment |  |  |  |  |  |  |  | 1,000,000 |  |  |  |
Investment Requirement Term |  |  |  |  |  |  |  | 3 years |  |  |  |
June 8, 2011 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Contingency Settlement, Principal Payment Due |  |  |  |  |  |  |  |  |  | 1,000,000 |  |
December 1, 2011 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Contingency Settlement, Principal Payment Due |  |  |  |  |  |  |  |  |  | 567,000 |  |
June 1, 2012 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Contingency Settlement, Principal Payment Due |  |  |  |  |  |  |  |  |  | 567,000 |  |
December 1, 2012 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Contingency Settlement, Principal Payment Due |  |  |  |  |  |  |  |  |  | 566,000 |  |
Workers’ Compensation Self-Insured Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |
Underfunding Liability |  |  |  |  |  |  |  |  |  |  |  | $ 19,100,000

X
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