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PRODUCT WARRANTIES | 12 Months Ended
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Mar. 31, 2018
Product Warranties Disclosures [Abstract] |
PRODUCT WARRANTIES | PRODUCT WARRANTIES We generally provide a warranty on parts and labor for one year after the sale and installation of each device. We also warrant our disposables products through their use or expiration. We estimate our potential warranty expense based on our historical warranty experience and we periodically assess the adequacy of our warranty accrual and make adjustments as necessary.
(In thousands) | March 31, 2018 |  | April 1, 2017
Warranty accrual as of the beginning of the year | $ | 176 |  |  | $ | 420 |
Warranty provision | 1,082 |  |  | 400 |
Warranty spending | (942 | ) |  | (644 | )
Warranty accrual as of the end of the year | $ | 316 |  |  | $ | 176 |

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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