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Note 3 - Contracts in Progress (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
(In thousands) |  | 2018 |  |  | 2017 |
Category |  |  |  |  |  |  |  |
Aerospace |  | $ | 8,115 |  |  | $ | 26,787 |
Industrial |  |  | 7,043 |  |  |  | 6,629 |
Research |  |  | 4,114 |  |  |  | 2,617 |
Point in time |  |  | 5,062 |  |  |  | 5,095 |
Net revenue |  | $ | 24,334 |  |  | $ | 41,128 |
Contract with Customer, Asset and Liability [Table Text Block] |
(In thousands) |  | 2018 |  |  | 2017 |
Increase in revenue from net changes in transaction prices |  | $ | 254 |  |  | $ | 148 |
Decrease in revenue from net changes in input cost estimates |  |  | (268 | ) |  |  | (126 | )
Net (decrease) increase in revenue from net changes in estimates |  | $ | (14 | ) |  | $ | 22 |
Number of projects |  |  | 10 |  |  |  | 2 |
Net change in estimate as a percentage of aggregate revenue for associated projects |  |  | (0.08 | %) |  |  | 0.06 | %
Schedule Of Cost And Estimated Earnings In Excess Of Billings [Table Text Block] |
|  | 2018 |  |  | 2017 |
Costs incurred on contracts in progress |  | $ | 24,913,254 |  |  | $ | 22,079,680 |
Estimated earnings |  |  | 26,040,219 |  |  |  | 16,499,697 |
|  |  | 50,953,473 |  |  |  | 38,579,377 |
Billings to date |  |  | (50,132,200 | ) |  |  | (30,648,666 | )
|  | $ | 821,273 |  |  | $ | (7,930,711 | )
Included in accompanying balance sheets |  |  |  |  |  |  |  |
Under the following captions: |  |  |  |  |  |  |  |
Contract assets |  | $ | 1,357,797 |  |  | $ | 8,397,024 |
Contract liabilities |  | $ | (536,524 | ) |  | $ | (466,313 | )

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