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Annual increase in number of shares originally approved for awards under the equity-based compensation plan expressed as a percentage of outstanding common stock.

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The maximum annual increase in shares authorized under the equity-based compensation plan.

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Minimum percentage of a shareholder's ownership of common stock used for determining the purchase price of common stock expressed as a percentage of its fair value.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Purchase price of common stock expressed as a percentage of its fair value.

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Note 13 - Equity-based Compensation (Details Textual) - USD ($) $ in Thousands			1 Months Ended							3 Months Ended
	May 26, 2016	Mar. 30, 2015	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2010	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2007
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value										$ 0	$ 0
Proceeds from Stock Options Exercised										$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)										20,000	0
Payments of Dividends, Total										$ 0
Share-based Payment Arrangement, Expense										57	$ 114
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross										0
Employees and Directors [Member]
Share-based Payment Arrangement, Expense										$ 45	$ 107
Nonemployees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)										0	0
Share-based Payment Arrangement, Expense										$ 12	$ 7
Employee Stock Options and RSUs [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total										$ 364
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)										2 years 18 days
Restricted Stock [Member] \| Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)										0	0
Restricted Stock [Member] \| Nonemployees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)										0	0
The 2007 Omnibus Incentive Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)														80,000
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Annual Increase in Shares Authorized (in shares)													40,000
Share-based Compensation Arrangement by Share-based Payment Award, Annual Increase in Shares Authorized, Percentage of Outstanding Common Stock												4.00%	4.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)	1,124,826	82,461			32,646	59,157	40,000	37,427	37,207
Increase (Decrease) in Number of Shares Available for Grant (in shares)			610,774	139,449
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)			2,318,486
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percentage of Stock Owned by Shareholder, Minimum										10.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)										4 years
The 2007 Omnibus Incentive Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent										100.00%
The 2007 Omnibus Incentive Plan [Member] \| Minimum [Member] \| Shareholder of More Than 10% [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent										110.00%
The 2007 Omnibus Incentive Plan [Member] \| Maximum [Member] \| Incentive Stock Options (ISOs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)										10 years
The 2017 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Annual Increase in Shares Authorized, Percentage of Outstanding Common Stock										4.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)										2,318,486
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)										3,643,878
The 2017 Omnibus Incentive Plan [Member] \| Incentive Stock Options (ISOs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percentage of Stock Owned by Shareholder, Minimum										10.00%
The 2017 Omnibus Incentive Plan [Member] \| Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)										4 years
The 2017 Omnibus Incentive Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent										100.00%
The 2017 Omnibus Incentive Plan [Member] \| Minimum [Member] \| Shareholder of More Than 10% [Member] \| Incentive Stock Options (ISOs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent										110.00%
The 2017 Omnibus Incentive Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)										10 years
The 2017 Omnibus Incentive Plan [Member] \| Maximum [Member] \| Shareholder of More Than 10% [Member] \| Incentive Stock Options (ISOs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)										5 years