SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Description of the Business [Abstract]
Lead time of deposit upon contract signing before delivery of hardware begins, maximum	6 months
Related Party Transaction [Line Items]
Reverse stock split	9,245,317-for-1
Common shares, shares outstanding (in shares)	12,963,000	12,963,000
Cash paid for fractional share owned (in dollars per share)	$ 1.33
Period after which reincorporation and reverse stock split will be effective	20 days
Revenue Recognition for Arrangements with Multiple Deliverables [Abstract]
Period of service of software licenses	1 year
Deferred Revenues and Deferred Cost of Revenues [Abstract]
Deferred revenues	$ 470,000	$ 5,451,000
Deferred cost of revenue	3,000	132,000
Allowance for Doubtful Accounts [Abstract]
Allowance for doubtful accounts	75,000	75,000
Product warranty reserve activity [Roll Forward]
Balance, beginning of period	139,000	169,000
Additional reserves	174,000	153,000
Charges incurred	(125,000)	(183,000)
Balance, end of period	188,000	139,000
Summary of inventories [Abstract]
Raw materials and subassemblies	1,082,000	2,872,000
Work-in-process	13,000	33,000
Finished Goods	303,000	760,000
Total	1,398,000	3,665,000
Net equipment, furniture and fixtures [Abstract]
Gross equipment, furniture and fixtures	2,785,000	2,741,000
Accumulated depreciation and amortization	(2,173,000)	(2,168,000)
Net equipment, furniture and fixtures	612,000	573,000
Plant and Machinery [Member]
Net equipment, furniture and fixtures [Abstract]
Gross equipment, furniture and fixtures	662,000	757,000
Computer Equipment [Member]
Net equipment, furniture and fixtures [Abstract]
Gross equipment, furniture and fixtures	1,741,000	1,662,000
Leasehold Improvement [Member]
Net equipment, furniture and fixtures [Abstract]
Gross equipment, furniture and fixtures	201,000	201,000
Furniture, Fixtures and Equipment [Member]
Net equipment, furniture and fixtures [Abstract]
Gross equipment, furniture and fixtures	96,000	96,000
Construction in Progress [Member]
Net equipment, furniture and fixtures [Abstract]
Gross equipment, furniture and fixtures	85,000	25,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
Equipment, furniture and fixtures, estimated useful lives	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Equipment, furniture and fixtures, estimated useful lives	7 years
Hardware [Member] | Minimum [Member]
Product Information [Line Items]
Product warranty period	6 months
Hardware [Member] | Maximum [Member]
Product Information [Line Items]
Product warranty period	12 months
Software [Member] | Minimum [Member]
Product Information [Line Items]
Product warranty period	6 months
Software [Member] | Maximum [Member]
Product Information [Line Items]
Product warranty period	12 months
Spares [Member]
Product Information [Line Items]
Product warranty period	90 days
BLM [Member]
Related Party Transaction [Line Items]
Common shares, shares outstanding (in shares)	9,245,317
Outstanding voting stock held by Berjaya Lottery Management (H.K.) Ltd. (in hundredths)	71.30%
Summary of inventories [Abstract]
Total	$ 0	$ 0