STOCKHOLDERS' EQUITY, Share Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Jan. 28, 2021	Dec. 31, 2019	Dec. 31, 2018		Jan. 27, 2021	Aug. 09, 2020	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	[1]	Sep. 01, 2016	Aug. 31, 2015
Stockholders' Equity Note [Abstract]
Number of shares authorized to be repurchased (in shares)							1,000,000							2,200,000	1,200,000
Common stock, shares repurchased (in shares)		131,782	243,387
Common stock, shares repurchased, average price per share (in dollars per share)		$ 5.58	$ 6.79
Number of shares available for repurchase (in shares)		996,163
Common stock, par value (in dollars per share)		$ 0.0024	$ 0.0024	[1]				$ 0.0024	$ 0.0024	$ 0.0024	$ 0.0024	$ 0.0024
Forecast [Member] | Share Repurchase Program [Member]
Stockholders' Equity Note [Abstract]
Repurchase of common stock (in shares)	500,000
Common stock, par value (in dollars per share)	$ 0.0024
Purchase price per share (in dollars per share)	$ 3.35
Purchase price	$ 1.7
Percentage of outstanding common stock					5.50%
Forecast [Member] | Maximum [Member] | Share Repurchase Program [Member]
Stockholders' Equity Note [Abstract]
Repurchase of common stock shares						$ 5.0

[1] As described in Note 2 to these Consolidated Financial Statements, we have restated the Consolidated Financial Statements.