Stock Based Compensation - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	0 Months Ended			12 Months Ended					1 Months Ended		0 Months Ended	12 Months Ended						0 Months Ended
	Aug. 31, 2012 Micronetics [Member]	Oct. 17, 2012 2005 Stock Incentive Plan	Jun. 30, 2013 2005 Stock Incentive Plan	Jun. 30, 2013 Stock Option Plan 1997	Jun. 30, 2013 Stock Option Plan 1997 Maximum	Jun. 30, 2013 Stock Option Plan 1997 Minimum	Jun. 30, 2013 Restricted Stock	Jun. 30, 2012 Restricted Stock	Jun. 30, 2011 Restricted Stock	Dec. 31, 2011 Restricted Stock KOR Electronics	Jun. 30, 2013 Restricted Stock Stock Option Plan 1997	Oct. 21, 2011 1997 Employee Stock Purchase Plan	Jun. 30, 2013 1997 Employee Stock Purchase Plan	Jun. 30, 2012 1997 Employee Stock Purchase Plan	Jun. 30, 2011 1997 Employee Stock Purchase Plan	Jun. 30, 2013 Stock Options	Jun. 30, 2012 Stock Options	Jun. 30, 2011 Stock Options	Aug. 08, 2012 Stock Options Micronetics [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance under stock incentive plan		7,592,000	7,764,000	8,650,000							100,000		1,400,000
Increase in share authorized under stock incentive plan		1,500,000										300,000
Exercise price of stock option, percentage			100.00%	100.00%
Shares available for future grant			2,258,000										256,000
Term of stock option					10 years
Options, vesting period					4 years	0 days
Purchase price as a percentage of the lesser of the market value of such shares at either the beginning or the end of each nine-month offering period													85.00%
Percentage of employee compensation that may be uses to purchase common stock through payroll deductions, maximum													10.00%
Number of share options granted													104,000	104,000	89,000	271,000	0		271,000
Intrinsic value of the options exercised																$ 90	$ 534	$ 2,979
Unrecognized compensation cost related to non-vested options granted																354	110
Unrecognized compensation, period of recognition							2 years 7 months 6 days	2 years 4 months 24 days								1 year 7 months 27 days	3 months 18 days
Restricted stock granted	70,000						1,327,000	585,000		144,000
Total fair value of restricted stock awards vested							4,488	5,848	4,175
Unrecognized compensation cost related to non-vested restricted stock							$ 11,588	$ 10,515