Inventories (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Mar. 31, 2017 |
|---|---|---|
| Components of inventories | ||
| Raw materials | $ 3,148 | $ 3,871 |
| Finished goods | 6,316 | 8,640 |
| Total inventories | $ 9,464 | $ 12,511 |
| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|