Business Acquisition (Details) (USD $)	0 Months Ended	12 Months Ended
	Apr. 30, 2013 item	Sep. 28, 2013
Purchase price allocation
Goodwill		$ 5,875,000
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Business acquisition
Cash paid	5,000,000
Fair value of contingent "earn out" consideration	4,700,000	5,000,000
Maximum number of payouts	3
Potential earn out period	5 years
Acquisition costs	250,000
Purchase price allocation
Accounts receivable	3,000
Inventories	42,000
Licensing contract receivable	1,500,000
Amortizable intangibles	2,770,000
Goodwill	5,875,000
Other assets	32,000
Accounts payable and accrued liabilities	(325,000)
Deferred tax liabilities, net	(197,000)
Total	9,700,000
Recognition of expense on fair value assessment of the contingent earn out consideration payable		260,000
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Business acquisition
Additional potential earn-out payments under acquisition	0
FastPencil | Maximum | Potential payment, one
Business acquisition
Additional potential earn-out payments under acquisition	6,500,000
FastPencil | Maximum | Potential payment, two
Business acquisition
Additional potential earn-out payments under acquisition	1,250,000
FastPencil | Maximum | Potential payment, three
Business acquisition
Additional potential earn-out payments under acquisition	$ 5,250,000