Significant Accounting Policies (Narrative) (Detail) (USD $)	3 Months Ended			6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended							3 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Selling, General and Administrative Expenses [Member]	Dec. 31, 2011 Selling, General and Administrative Expenses [Member]	Dec. 31, 2012 Selling, General and Administrative Expenses [Member]	Dec. 31, 2011 Selling, General and Administrative Expenses [Member]	Dec. 31, 2012 Cost of sales [Member]	Dec. 31, 2011 Cost of sales [Member]	Dec. 31, 2012 Cost of sales [Member]	Dec. 31, 2011 Cost of sales [Member]	Dec. 31, 2012 Sales revenue, net [Member]	Dec. 31, 2011 Sales revenue, net [Member]	Dec. 31, 2012 Sales revenue, net [Member]	Dec. 31, 2011 Sales revenue, net [Member]	Dec. 31, 2012 Allowance for doubtful accounts current [Member]	Jun. 30, 2012 Allowance for doubtful accounts current [Member]	Dec. 31, 2012 Returns and other allowances [Member]	Jun. 30, 2012 Returns and other allowances [Member]	Aug. 18, 2008 Marks USA I, LLC [Member]	Dec. 31, 2012 Marks USA I, LLC [Member] Customer relationships [Member]	Dec. 31, 2012 Marks USA I, LLC [Member] Non-compete agreement [Member]
Significant Accounting Policies [Line Items]
Short-term time deposits	$ 460,000	$ 460,000		$ 460,000
Valuation allowances and reserves, balance																		220,000	200,000	1,075,000	1,184,000
Intangible assets																						16,440,000
Period of amortization																							20 years	7 years
Intangible assets amortization expense	229,000		266,000	459,000	533,000
Estimated amortization expense-2013	917,000			917,000
Estimated amortization expense-2014	781,000			781,000
Estimated amortization expense-2015	667,000			667,000
Estimated amortization expense-2016	529,000			529,000
Estimated amortization expense-2017	441,000			441,000
Weighted average amortization period for acquired intangible assets	15 years 3 months 18 days	15 years 9 months 18 days
Advertising and promotion costs						294,000	232,000	721,000	483,000
Research and development costs										1,319,000	1,009,000	2,655,000	2,040,000
Antidilutive options outstanding excluded from diluted EPS computations				681,140	1,330,210
Stock-based compensation costs	0		1,000
Shipping and handling revenue														128,000	139,000	249,000	275,000
Shipping and handling expense										$ 259,000	$ 293,000	$ 482,000	$ 557,000