CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Total
Balance at Jul. 31, 2019	$ 476	$ 332,704	$ (249,732)	$ 2,580	$ 86,028
Balance (in Shares) at Jul. 31, 2019	47,556,807
Net income (loss)			(15,335)		(15,335)
Share-based compensation charges		521			521
Vesting of restricted stock
Vesting of restricted stock (in Shares)	811
Foreign currency translation adjustments				(354)	(354)
Balance at Jan. 31, 2020	$ 476	333,225	(265,067)	2,226	70,860
Balance (in Shares) at Jan. 31, 2020	47,557,618
Balance at Oct. 31, 2019	$ 476	332,923	(257,380)	2,309	78,328
Balance (in Shares) at Oct. 31, 2019	47,556,807
Net income (loss)			(7,687)		(7,687)
Share-based compensation charges		302			302
Vesting of restricted stock
Vesting of restricted stock (in Shares)	811
Foreign currency translation adjustments				(83)	(83)
Balance at Jan. 31, 2020	$ 476	333,225	(265,067)	2,226	70,860
Balance (in Shares) at Jan. 31, 2020	47,557,618
Balance at Jul. 31, 2020	$ 479	334,473	(278,252)	1,681	58,381
Balance (in Shares) at Jul. 31, 2020	47,895,050
Net income (loss)			2,601		2,601
Share-based compensation charges		343			343
Issuance of common stock for bonus payments	$ 3	872			875
Issuance of common stock for bonus payments (in Shares)	332,700
Foreign currency translation adjustments				(411)	(411)
Balance at Jan. 31, 2021	$ 482	335,688	(275,651)	1,270	61,789
Balance (in Shares) at Jan. 31, 2021	48,227,750
Balance at Oct. 31, 2020	$ 479	334,640	(277,953)	1,852	59,018
Balance (in Shares) at Oct. 31, 2020	47,895,050
Net income (loss)			2,302		2,302
Share-based compensation charges		176			176
Issuance of common stock for bonus payments	$ 3	872			875
Issuance of common stock for bonus payments (in Shares)	332,700
Foreign currency translation adjustments				(582)	(582)
Balance at Jan. 31, 2021	$ 482	$ 335,688	$ (275,651)	$ 1,270	$ 61,789
Balance (in Shares) at Jan. 31, 2021	48,227,750