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Note 9 - Variable Interest Entities - Revenue and Expenses of Delphax Included in the Company's Consolidated Statements of Operations (Details) - USD ($) | 3 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Operating Revenues | $ 47,697,373 | $ 30,493,253
General and administrative | 6,585,759 | 5,828,946
Research and development | 195,653 | 510,960
Depreciation, amortization and impairment | 398,827 | 1,989,601
| 45,484,805 | 37,566,735
Operating Income (Loss) | 2,212,568 | (7,073,482)
Non-operating Expenses, net | (608,688) | (1,287,898)
Income (Loss) Before Income Taxes | 1,603,880 | (8,361,380)
Income Tax Expense (Benefit) | 374,000 | (372,000)
Net Income (Loss) | 1,229,880 | (7,989,380)
Delphax [Member] |  |
Operating Revenues | 3,131,381 | 3,210,088
Cost of sales | 1,501,056 | 6,601,734
General and administrative | 505,945 | 1,352,152
Research and development | 195,653 | 510,960
Depreciation, amortization and impairment | 4,691 | 1,680,601
| 2,207,345 | 10,145,447
Operating Income (Loss) | 924,036 | (6,935,359)
Non-operating Expenses, net | (387,797) | (20,940)
Income (Loss) Before Income Taxes | 536,239 | (6,956,299)
Income Tax Expense (Benefit) |  |
Net Income (Loss) | $ 536,239 | $ (6,956,299)

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