BUSINESS SEGMENTS, GEOGRAPHIC REVENUES, MAJOR CUSTOMERS AND MAJOR VENDORS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Apr. 30, 2014 Segment	Apr. 30, 2013
BUSINESS SEGMENTS, GEOGRAPHIC REVENUES, MAJOR CUSTOMERS AND MAJOR VENDORS [Abstract]
Number of operating segments	2
Segment information [Abstract]
Total revenues	$ 22,698	$ 10,571
Income from operations	4,873	1,551
Depreciation and amortization	188	181
Segment assets	13,435	16,834
Revenues by geographic area [Abstract]
Revenues	22,698	10,571
Supplier Concentration Risk [Member]
Major customers [Abstract]
Number of vendors	3	5
Supplier Concentration Risk [Member] \| Vendor [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)	47.00%	73.00%
Supplier Concentration Risk [Member] \| Vendor One [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)	20.00%	18.00%
Supplier Concentration Risk [Member] \| Vendor Two [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)	14.00%	18.00%
Supplier Concentration Risk [Member] \| Vendor Three [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)	13.00%	15.00%
Supplier Concentration Risk [Member] \| Vendor Four [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)		12.00%
Supplier Concentration Risk [Member] \| Vendor Five [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)		10.00%
Asia [Member]
Segment information [Abstract]
Total revenues	11,911	4,197
Revenues by geographic area [Abstract]
Revenues	11,911	4,197
North America [Member]
Segment information [Abstract]
Total revenues	4,005	3,178
Revenues by geographic area [Abstract]
Revenues	4,005	3,178
Europe [Member]
Segment information [Abstract]
Total revenues	6,782	3,196
Revenues by geographic area [Abstract]
Revenues	6,782	3,196
Gaming Business [Member] \| Operating Segments [Member]
Segment information [Abstract]
Total revenues	18,695	7,396
Income from operations	4,793	1,502
Depreciation and amortization	105	112
Segment assets	11,090	14,886
Revenues by geographic area [Abstract]
Revenues	18,695	7,396
Gaming Business [Member] \| Revenue [Member] \| Customer Concentration Risk [Member] \| From Unrelated Customers [Member]
Major customers [Abstract]
Number of major customers	1	1
Concentration risk, percentage (in hundredths)	30.00%	30.00%
Gaming Business [Member] \| Revenue [Member] \| Customer Concentration Risk [Member] \| From Related Customers [Member]
Major customers [Abstract]
Number of major customers	1	2
Concentration risk, percentage (in hundredths)	52.00%	38.00%
Gaming Business [Member] \| Revenue [Member] \| Customer Concentration Risk [Member] \| Related Customer One [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)		28.00%
Gaming Business [Member] \| Revenue [Member] \| Customer Concentration Risk [Member] \| Related Customer Two [Member]
Major customers [Abstract]
Concentration risk, percentage (in hundredths)		10.00%
Voting Business [Member] \| Operating Segments [Member]
Segment information [Abstract]
Total revenues	4,003	3,175
Income from operations	80	49
Depreciation and amortization	83	69
Segment assets	2,345	1,948
Revenues by geographic area [Abstract]
Revenues	$ 4,003	$ 3,175
Voting Business [Member] \| Revenue [Member] \| Customer Concentration Risk [Member] \| From Unrelated Customers [Member]
Major customers [Abstract]
Number of major customers	1	1
Concentration risk, percentage (in hundredths)	10.00%	22.00%

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Represents the number of major customers who individually accounted for more than 10% of revenues for the period.

+ References

No definition available.

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- Definition

A company which supplies parts or services to another company also called supplier.

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-03.1)

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