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Revenue Recognition (Tables) | 3 Months Ended
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Jun. 30, 2020
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 |
|  | June 30, |
Product Line |  | 2020 |  |  | 2019 |
Heat transfer equipment |  | $ | 10,673 |  |  | $ | 7,852 |
Vacuum equipment |  |  | 2,551 |  |  |  | 5,530 |
All other |  |  | 3,486 |  |  |  | 7,211 |
Net sales |  | $ | 16,710 |  |  | $ | 20,593 |
Geographic Region |  |  |  |  |  |  |  |
Asia |  | $ | 5,163 |  |  | $ | 3,219 |
Canada |  |  | 992 |  |  |  | 1,348 |
Middle East |  |  | 449 |  |  |  | 773 |
South America |  |  | 220 |  |  |  | 359 |
U.S. |  |  | 9,438 |  |  |  | 14,448 |
All other |  |  | 448 |  |  |  | 446 |
Net sales |  | $ | 16,710 |  |  | $ | 20,593 |
Schedule of Net Contract Assets (Liabilities) | Net contract assets (liabilities) consisted of the following:
|  | June 30, 2020 |  |  | March 31, 2020 |  |  | Change |
Unbilled revenue (contract assets) |  | $ | 15,683 |  |  | $ | 14,592 |  |  | $ | 1,091 |
Customer deposits (contract liabilities) |  |  | (31,082 | ) |  |  | (26,983 | ) |  |  | (4,099 | )
Net contract liabilities |  | $ | (15,399 | ) |  | $ | (12,391 | ) |  | $ | (3,008 | )

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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