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Note 3 - Contracts in Progress (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
(In thousands) |  | 201 9 |  |  | 201 8 |
Category |  |  |  |  |  |  |  |
Aerospace |  | $ | 4,937 |  |  | $ | 8,115 |
Industrial |  |  | 4,933 |  |  |  | 7,043 |
Research |  |  | 3,114 |  |  |  | 4,114 |
Point in time |  |  | 6,663 |  |  |  | 5,062 |
Total revenue |  | $ | 19,647 |  |  | $ | 24,334 |
Schedule Of Cost And Estimated Earnings In Excess Of Billings [Table Text Block] |
|  | 2019 |  |  | 2018 |
Costs incurred on contracts in progress |  | $ | 6,943,067 |  |  | $ | 24,913,254 |
Estimated earnings |  |  | 3,370,032 |  |  |  | 26,040,219 |
|  |  | 10,313,099 |  |  |  | 50,953,473 |
Billings to date |  |  | (10,645,800 | ) |  |  | (50,132,200 | )
|  | $ | (332,701 | ) |  | $ | 821,273 |
Included in accompanying balance sheets |  |  |  |  |  |  |  |
Under the following captions: |  |  |  |  |  |  |  |
Contract assets |  | $ | 512,952 |  |  | $ | 1,357,797 |
Contract liabilities |  | $ | (845,653 | ) |  | $ | (536,524 | )

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