Significant Accounting Policies (Narrative) (Detail) (USD $)	12 Months Ended									3 Months Ended	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Sales revenue, net [Member]	Jun. 30, 2011 Sales revenue, net [Member]	Jun. 30, 2012 Cost of sales [Member]	Jun. 30, 2011 Cost of sales [Member]	Jun. 30, 2012 Selling, General and Administrative Expenses [Member]	Jun. 30, 2011 Selling, General and Administrative Expenses [Member]	Aug. 18, 2008 Marks USA I, LLC [Member]	Jun. 30, 2011 Marks USA I, LLC [Member] Marks trade name [Member]	Jun. 30, 2012 Marks USA I, LLC [Member] Customer relationships [Member]	Jun. 30, 2012 Marks USA I, LLC [Member] Non-compete agreement [Member]	Jun. 30, 2012 Inventory obsolescence reserve [Member]	Jun. 30, 2011 Inventory obsolescence reserve [Member]	Jun. 30, 2012 Allowance for doubtful accounts current [Member]	Jun. 30, 2011 Allowance for doubtful accounts current [Member]	Jun. 30, 2012 Returns and other allowances [Member]	Jun. 30, 2011 Returns and other allowances [Member]
Significant Accounting Policies [Line Items]
Short-term time deposits	$ 460,000	$ 960,000
Valuation allowances and reserves, balance													3,038,000	2,534,000	200,000	255,000	1,184,000	1,455,000
Provision for inventory obsolescence	504,000	694,000											504,000	694,000
Intangible assets									16,440,000
Period of amortization											20 years	7 years
Asset impairment										400,000
Intangible assets amortization expense	1,065,000	1,154,000
Estimated amortization expense-2013	917,000
Estimated amortization expense-2014	781,000
Estimated amortization expense-2015	667,000
Estimated amortization expense-2016	529,000
Estimated amortization expense-2017	441,000
Weighted average amortization period for acquired intangible assets	15 years 9 months 18 days	16 years 8 months 12 days
Advertising and promotion costs							1,081,000	792,000
Research and development costs					4,264,000	4,392,000
Accrued self-insured medical claims	50,000
Antidilutive options outstanding excluded from diluted EPS computations	649,348	583,350
Stock-based compensation costs	8,000	66,000
Stock-based compensation costs, effect on EPS	$ 0.00	$ 0.00
Shipping and handling revenue			584,000	474,000
Shipping and handling expense					$ 1,090,000	$ 1,023,000