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						12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013	Dec. 31, 2013 Selling, General and Administrative Expenses [Member]	Dec. 31, 2012 Selling, General and Administrative Expenses [Member]	Dec. 31, 2013 Selling, General and Administrative Expenses [Member]	Dec. 31, 2012 Selling, General and Administrative Expenses [Member]	Dec. 31, 2013 Sales revenue, net [Member]	Dec. 31, 2012 Sales revenue, net [Member]	Dec. 31, 2013 Sales revenue, net [Member]	Dec. 31, 2012 Sales revenue, net [Member]	Dec. 31, 2013 Cost of sales [Member]	Dec. 31, 2012 Cost of sales [Member]	Dec. 31, 2013 Cost of sales [Member]	Dec. 31, 2012 Cost of sales [Member]	Dec. 31, 2013 Allowance for doubtful accounts current [Member]	Jun. 30, 2013 Allowance for doubtful accounts current [Member]	Dec. 31, 2013 Returns and other allowances [Member]	Jun. 30, 2013 Returns and other allowances [Member]	Dec. 31, 2013 Marks USA I, LLC [Member] Customer relationships [Member]	Dec. 31, 2013 Marks USA I, LLC [Member] Non-compete agreement [Member]
Significant Accounting Policies [Line Items]
Carrying amount of long-term debt, including current portion	$ 13,100,000		$ 13,100,000		$ 16,400,000
Short-term time deposits	460,000		460,000		460,000
Valuation allowances and reserves, balance																		230,000	220,000	870,000	1,055,000
Period of amortization																						20 years	7 years
Intangible assets amortization expense	195,000	229,000	391,000	459,000
Estimated amortization expense-2014					781,000
Estimated amortization expense-2015					667,000
Estimated amortization expense-2016					529,000
Estimated amortization expense-2017					441,000
Estimated amortization expense-2018					371,000
Weighted average amortization period for acquired intangible assets			14 years 4 months 24 days	15 years 3 months 18 days
Advertising and promotion costs						247,000	294,000	612,000	721,000
Research and development costs														1,252,000	1,319,000	2,538,000	2,655,000
Antidilutive options outstanding excluded from diluted EPS computations	131,402	395,750	199,759	681,140
Stock-based compensation costs	6	0	7	0
Shipping and handling revenue										121,000	128,000	252,000	249,000
Shipping and handling expense														$ 221,000	$ 259,000	$ 463,000	$ 482,000