XML 20 R31.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2014
Apr. 30, 2013
Inventories [Abstract]    
Raw materials and subassemblies $ 1,211 $ 2,872
Work-in-process 5 33
Finished Goods 215 760
Total $ 1,431 $ 3,665 [1]
[1] Derived from the consolidated audited financial statements included in the Company's Annual Report on Form 10-K for the fiscal year ended April 30, 2013 filed with the SEC.