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Income Taxes (Tables)
12 Months Ended
Jul. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of income before income taxes

Year ended July 31
(in thousands)
  2019   2018   2017 
Domestic   $6,827   $910   $(3,161)
Foreign    (6,374)   7,191    10,781 
INCOME BEFORE INCOME TAXES   $453   $8,101   $7,620 
Schedule of deferred income tax assets
July 31
(in thousands)
  2019   2018 
Deferred income tax assets:        
Bad debt reserve   $540   $455 
Accrued expenses    3,134    3,758 
Stock options and restricted stock    866    1,070 
Charitable contributions    734    946 
Depreciation    151    349 
Unrealized gain    (231)    
Net operating loss    72,625    75,110 
Transaction taxes    2,000     
Deferred revenue    (1,060)    
Total deferred income tax assets    78,759    81,688 
Valuation allowance    (74,170)   (76,020)
NET DEFERRED INCOME TAX ASSETS   $4,589   $5,668 
Schedule of (provision for) benefit from income taxes
Year ended July 31
(in thousands)
  2019   2018   2017 
Current:            
Federal  $   $3,294   $ 
State and local   (15)   (34)   (26)
Foreign   971    11    (282)
    956    3,271    (308)
Deferred:               
Federal           (9,536)
State and local   1    12    (66)
Foreign   (1,080)   (6,185)   11,931 
    (1,079)   (6,173)   2,329 
(PROVISION FOR) BENEFIT FROM INCOME TAXES  $(123)  $(2,902)  $2,021 
Schedule of U.S. federal statutory income tax rate and income taxes provided
Year ended July 31
(in thousands)
  2019   2018   2017 
U.S. federal income tax at statutory rate   $(95)  $(2,186)  $(2,667)
Transition tax on foreign earnings    92    (3,360)    
Valuation allowance    2,008    58,798    626 
Foreign tax rate differential    (2,835)   (4,272)   3,107 
Nondeductible expenses    (657)   213    457 
Other    1    (23)   64 
Prior year tax benefit    2,271    575    494 
Tax law changes    (896)   (52,631)    
State and local income tax, net of federal benefit    (12)   (16)   (60)
(PROVISION FOR) BENEFIT FROM INCOME TAXES   $(123)  $(2,902)  $2,021 
Schedule of change in the valuation allowance
Year ended July 31
(in thousands)
  Balance at
beginning of
year
   Additions
charged to
costs and
expenses
   Deductions   Balance at
end of year
 
2019                
Reserves deducted from deferred income taxes, net:                
Valuation allowance   $76,020   $   $(1,850)  $74,170 
2018                    
Reserves deducted from deferred income taxes, net:                    
Valuation allowance   $129,872   $   $(53,852)  $76,020 
2017                    
Reserves deducted from deferred income taxes, net:                    
Valuation allowance   $130,498   $16,017   $(16,643)  $129,872