XML 53 R33.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Inventories (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2016
Inventory Disclosure [Abstract] |
Schedule of Inventories, Net of Allowances |
|  | March 31,
|  |  | 2015 |  |  |  | 2016 |
Raw materials |  | $ | 4,963 |  |  | $ | 4,038 |
Work-in-progress |  |  | 4,437 |  |  |  | 2,372 |
Finished goods |  |  | 1,428 |  |  |  | 1,704 |
|  | $ | 10,828 |  |  | $ | 8,114 |
Schedule of Obsolescence Allowance for Inventory |
|  | Year ended March 31
|  | 2014 |  | 2015 |  | 2016
Balance at beginning of the year |  | $ | 3,450 |  |  | $ | 3,554 |  |  | $ | 3,887 |
Additional charges/(usage), net |  |  | 134 |  |  |  | 341 |  |  |  | (252 | )
Written off |  |  | (30 | ) |  |  | (8 | ) |  |  | — |
Balance at the end of the year |  | $ | 3,554 |  |  | $ | 3,887 |  |  | $ | 3,635 |

X
- Definition Tabular disclosure of the change in allowance for inventory obsolescence. + References No definition available. + Details
Name: | dswl_ScheduleOfInventoryObsolescenceAllowanceTableTextBlock
Namespace Prefix: | dswl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration