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STOCKHOLDERS' EQUITY - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 14, 2020	Mar. 31, 2019	Sep. 30, 2019	May 13, 2019	May 14, 2018
Subsidiary, Sale of Stock
Treasury Stock Acquired, Average Cost Per Share			$ 3.29	$ 3.20
Stock Repurchased During Period, Value		$ 171	$ 200	$ 1,800
Underwritten public offering
Subsidiary, Sale of Stock
Number of common shares issued	2,500,000
Offering price per share	$ 22.00
Number of common shares sold	1,250,000
Thomas Sandgaard | Selling stockholder
Subsidiary, Sale of Stock
Percentage of ownership help	100.00%
Selling stockholder | Underwritten public offering
Subsidiary, Sale of Stock
Number of common shares sold	1,250,000
Common Stock [Member]
Subsidiary, Sale of Stock
Stock Repurchase Program Additional Authorized Amount					$ 2,000
Stock Repurchased During Period, Shares		52,000	52,000	576,129

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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

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Number of shares sold in public offering.

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