Employee Retirement Plan	12 Months Ended
Jan. 31, 2012
Compensation and Retirement Disclosure [Abstract]
Compensation and Employee Benefit Plans [Text Block]	14. Employee Retirement Plan The Company’s employees are eligible, after completing three months of service, to participate in a 401(k) plan (the “Plan”) sponsored by Aerosonic Corporation. Under the terms of the Plan, employees may contribute up to 15% of their gross earnings subject to IRS limitations. The Company may match up to 100% of the first 3% of employees’ contributions. The Company’s matching contributions to the Plan were $222,000 and $86,000 for the years ended January 31, 2012 and 2011, respectively and are included in selling, general and administrative expenses. The Company, having elected to discontinue voluntary matching contributions during the year ended January 31, 2010, reinstated the voluntary matching contribution during the year ended January 31, 2011.

Employee Retirement Plan

12 Months Ended

Jan. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Compensation and Employee Benefit Plans [Text Block]

14. Employee Retirement Plan

The Company’s employees are eligible, after completing three months of service, to participate in a 401(k) plan (the “Plan”) sponsored by Aerosonic Corporation. Under the terms of the Plan, employees may contribute up to 15% of their gross earnings subject to IRS limitations. The Company may match up to 100% of the first 3% of employees’ contributions. The Company’s matching contributions to the Plan were $222,000 and $86,000 for the years ended January 31, 2012 and 2011, respectively and are included in selling, general and administrative expenses. The Company, having elected to discontinue voluntary matching contributions during the year ended January 31, 2010, reinstated the voluntary matching contribution during the year ended January 31, 2011.