Related Party Transactions (Details) (USD $)	3 Months Ended				3 Months Ended			3 Months Ended										3 Months Ended					3 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Apr. 30, 2013		Jul. 31, 2013 PGMC [Member] Lottery Products [Member]	Jul. 31, 2012 PGMC [Member] Lottery Products [Member]	Apr. 30, 2013 PGMC [Member] Lottery Products [Member]	Jul. 31, 2013 BLM [Member]	Jul. 31, 2012 BLM [Member]	Apr. 30, 2013 BLM [Member]	Jul. 31, 2013 Sports Toto Malaysia Sdn. Bhd. [Member]	Apr. 30, 2013 Sports Toto Malaysia Sdn. Bhd. [Member]	Jan. 31, 2013 Sports Toto Malaysia Sdn. Bhd. [Member]	Jul. 31, 2013 Sports Toto Malaysia Sdn. Bhd. [Member] Lottery Products [Member]	Apr. 30, 2013 Sports Toto Malaysia Sdn. Bhd. [Member] Lottery Products [Member]	Jul. 31, 2013 Sports Toto Malaysia Sdn. Bhd. [Member] Lottery and Software Support Services [Member]	Apr. 30, 2013 Sports Toto Malaysia Sdn. Bhd. [Member] Lottery and Software Support Services [Member]	Jul. 31, 2013 Sports Toto Malaysia Sdn. Bhd. [Member] Contract Deliverables and Sale of Support Services [Member]	Jul. 31, 2012 Sports Toto Malaysia Sdn. Bhd. [Member] Contract Deliverables and Sale of Support Services [Member]	Jul. 31, 2013 Natural Avenue Sdn. Bhd. [Member]	Apr. 30, 2013 Natural Avenue Sdn. Bhd. [Member]	Jul. 31, 2013 Natural Avenue Sdn. Bhd. [Member] Lottery Product Licensing [Member]	Jul. 31, 2013 Natural Avenue Sdn. Bhd. [Member] Support Services and Licensing [Member]	Jul. 31, 2012 Natural Avenue Sdn. Bhd. [Member] Support Services and Licensing [Member]	Jul. 31, 2013 Sports Toto Computers Sdn. Bhd. [Member]	Jul. 31, 2012 Sports Toto Computers Sdn. Bhd. [Member]
Related Party Transaction [Line Items]
Revenue from related party	$ 163,000	$ 2,200,000			$ 5,000	$ 1,100,000		$ 0	$ 0									$ 122,000	$ 1.1				$ 36,000	$ 35,000
Sales revenue, related party, percentage (in hundredths)	2.00%	66.00%
Accounts receivable from related parties	38,000				0	0		0		0	27,000	410,000								11,000	1,000
Outstanding voting stock held by Berjaya Lottery Management (H.K.) Ltd. (in hundredths)	71.30%							71.30%
Payable to parent	202,000		202,000	[1]				202,000		202,000
Inventories	3,044,000		3,665,000	[1]				0		0
Deferred Costs, Current	191,000		132,000	[1]										188,000	104,000
Deferred revenues	3,731,000		5,451,000	[1]	0		0						11,000,000			3,300,000	3,300,000			0	0	4,000
Services incurred																									$ 51,000	$ 40,000

[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.