Inventories

12 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

3 Inventories

The components of inventories as of March 31, 2016 and 2017 are as follows:

	2016		2017
	$ in thousands		$ in thousands
Raw materials		684		442
Work in progress		430		317
Finished goods		709		259
		1,823		1,018

During the fiscal years ended March 31, 2015, 2016 and 2017, based upon material composition and expected usage, provisions for inventories of approximately $687,000, $30,000 and $156,000, respectively, were charged to the consolidated statements of operations under cost of sales.