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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Nov. 30, 2016
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, value of shares repurchased	$ 2,487
Retirement of treasury stock, Shares	719,023
Treasury stock retired, carrying value	$ 2,487
Treasury Stock, Common [Member]
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, expiration date	2017-11
Stock repurchase program, number of shares repurchased	719,023
Stock repurchase program, weighted average price	$ 3.43
Broker commission, per share	$ 0.03
Stock repurchase program, value of shares repurchased	$ 2,500
Treasury Stock, Common [Member] | Maximum [Member]
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, number of outstanding shares authorized to repurchase		750,000

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- Definition

Represents the per share broker commission on the repurchase of common stock.

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Stock repurchase program expiration month and year.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
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Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Number of shares that have been repurchased during the period and are being held in treasury.

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Number of shares of common and preferred stock retired from treasury during the period.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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