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Earnings Per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net (Loss) Income, Basic	$ (2,403)	$ (6,266)	$ (3,858)	$ (6,436)
Net (Loss) Income, Diluted	$ (2,403)	$ (6,266)	$ (3,858)	$ (6,436)
Weighted Average Number of Shares Outstanding, Basic	1,994,177	1,994,177	1,994,177	1,994,675
Weighted Average Number of Shares Outstanding, Options		0		0
Weighted Average Number of Shares Outstanding, Diluted	1,994,177	1,994,177	1,994,177	1,994,675
Per Share Amount, Basic	$ (1.20)	$ (3.14)	$ (1.93)	$ (3.23)
Per Share Amount, Diluted	$ (1.20)	$ (3.14)	$ (1.93)	$ (3.23)

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