Inventories

12 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Inventories

3 Inventories

The components of inventories as of March 31, 2015 and 2016 are as follows:

	2015		2016
	$ in thousands		$ in thousands
Raw materials		1,978		684
Work in progress		676		430
Finished goods		467		709
		3,121		1,823

During the fiscal years ended March 31, 2014, 2015 and 2016, based upon material composition and expected usage, provision for inventories of approximately $874,000, $687,000 and $30,000, respectively, were charged to the consolidated statements of operations under cost of sales.