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Revenue Recognition (Tables) | 6 Months Ended
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Sep. 30, 2018
Revenue From Contract With Customer [Abstract] |
Revenue Disaggregated by Product Line and Geographic Area | The following table presents the Company’s revenue disaggregated by product line and geographic area:
|  | Three Months Ended |  |  | Six Months Ended |
|  | September 30, |  |  | September 30, |
Product Line |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Heat transfer equipment |  | $ | 6,173 |  |  | $ | 4,654 |  |  | $ | 10,331 |  |  | $ | 10,983 |
Vacuum equipment |  |  | 7,842 |  |  |  | 4,889 |  |  |  | 25,058 |  |  |  | 11,412 |
All other |  |  | 7,426 |  |  |  | 7,681 |  |  |  | 15,603 |  |  |  | 15,680 |
Net sales |  | $ | 21,441 |  |  | $ | 17,224 |  |  | $ | 50,992 |  |  | $ | 38,075 |
Geographic Region |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asia |  | $ | 1,876 |  |  | $ | 2,599 |  |  | $ | 4,625 |  |  | $ | 5,964 |
Canada |  |  | 3,473 |  |  |  | 1,844 |  |  |  | 15,123 |  |  |  | 3,199 |
Middle East |  |  | 464 |  |  |  | 1,015 |  |  |  | 899 |  |  |  | 1,935 |
South America |  |  | 68 |  |  |  | 441 |  |  |  | 192 |  |  |  | 570 |
U.S. |  |  | 15,073 |  |  |  | 11,146 |  |  |  | 28,526 |  |  |  | 25,975 |
All other |  |  | 487 |  |  |  | 179 |  |  |  | 1,627 |  |  |  | 432 |
Net sales |  | $ | 21,441 |  |  | $ | 17,224 |  |  | $ | 50,992 |  |  | $ | 38,075 |
Schedule of Net Contract Assets (Liabilities) | Net contract assets (liabilities) consisted of the following:
|  | September 30, 2018 |  |  | April 1, 2018 |  |  | Change |
Unbilled revenue (contract assets) |  | $ | 10,582 |  |  | $ | 6,092 |  |  | $ | 4,490 |
Customer deposits (contract liabilities) |  |  | (30,539 | ) |  |  | (26,585 | ) |  |  | (3,954 | )
Net contract liabilities |  | $ | (19,957 | ) |  | $ | (20,493 | ) |  | $ | 536 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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