CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Common Stock [Member]	Accumulated Deficit [Member]	Total
Balance at Apr. 30, 2012	$ 56,370	$ (51,029)	$ 5,341
Balance (in shares) at Apr. 30, 2012	12,963,000
Net income		3,099	3,099
Balance at Apr. 30, 2013	56,370	(47,930)	8,440
Balance (in shares) at Apr. 30, 2013	12,963,000		12,963,000
Net income		3,096	3,096
Balance at Apr. 30, 2014	$ 56,370	$ (44,834)	$ 11,536
Balance (in shares) at Apr. 30, 2014	12,963,000		12,963,000