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Note 7 - Inventories - Inventories (Details) - USD ($) | Sep. 30, 2016 | Mar. 31, 2016
--- | --- | ---
Ground support service parts | $ 2,282,627 | $ 1,566,694 |
Inventory, Gross | 20,329,899 | 12,495,826 |
Reserves | (2,662,498) | (221,722) |
Total, net of reserves | 17,667,401 | 12,274,104 | [1]
Ground Equipment Manufacturing [Member] |  |  |
Raw materials | 2,397,974 | 1,549,810 |
Work in process | 1,002,710 | 408,213 |
Finished goods | 7,723,641 | 4,328,812 |
Printing Equipment and Maintenance [Member] |  |  |
Raw materials | 3,219,663 | 3,319,939 |
Work in process | 798,031 | 759,446 |
Finished goods | 901,769 | 562,912 |
Commercial Jet Engines Inventory [Member] |  |  |
Inventory, Gross | $ 2,003,484 |  |
[1] | Derived from audited consolidated financial statements

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