v2.4.0.6

Weighted Average Assumptions used in Black-Scholes Option Valuation Model for Stock Options Granted (Parenthetical) (Detail) (2006 Equity Incentive Plan, Chief Executive Officer) | 1 Months Ended
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Mar. 31, 2012
2006 Equity Incentive Plan | Chief Executive Officer |
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items] |
Stock options granted that are subject to performance condition | 100,000

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- Details
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Namespace Prefix: | hott_
Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition Net number of share options (or share units) granted during the period subject to performance condition. + References No definition available. + Details
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Namespace Prefix: | hott_
Data Type: | xbrli:sharesItemType
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