As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Note 1 - Nature of Operations and Basis of Presentation (Detail) (USD $)	3 Months Ended		9 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Number of Operating Segments			3
Equity Method Investment, Ownership Percentage	60.00%		60.00%
Restructuring Charges	$ 47,000
Share-based Compensation	94,867	102,260	324,767	356,490
Stock Issued During Period, Value, Share-based Compensation, Gross			37,200	52,886
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights			20%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			5 years
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in Shares)			44,190
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	378,678		378,678
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition			1 year 146 days	2 years 87 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)				$ 0.89
Unrestricted Shares Of Stock [Member]
Stock Issued During Period, Shares, Share-based Compensation, Gross (in Shares)			4,000	4,000
Stock Options [Member]
Stock Issued During Period, Shares, Share-based Compensation, Gross (in Shares)				12,936
Restricted Stock Units (RSUs) [Member]
Share-based Compensation	94,867		287,567
Minimum [Member]
Restructuring Charges	500,000
Maximum [Member]
Restructuring Charges	$ 600,000