XML 33 R21.htm IDEA: XBRL DOCUMENT v3.10.0.1
INCOME TAXES (Tables)
12 Months Ended
May 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

 Years ended May 31,

 

2018

 

 

2017

Current:

 

 

 

 

 

U.S. Federal

$

--

 

$

 --

State and local

 

(800)

 

 

--

Total current

 

(800)

 

 

--

Deferred:

 

 

 

 

 

U.S. Federal 

 

(31,000)

   

--

State and local

 

--

 

 

--

Total deferred

 

(31,000)

 

 

--

Income tax (expense) benefit

$

(31,800)

 

$

--

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

Years ended May 31,

2018

 

2017

Computed "expected" tax benefit

$

418,258

 

$

317,997

Increase (reduction) in income taxes resulting from:

         

Change in valuation allowance

 

(114,000)

 

 

(397,000)

State income taxes, net of federal benefit

 

71,794

   

30,215

Research and development tax credits

 

46,602

 

 

40,205

Permanent tax differences and other

 

78,795

   

8,583

Impact of tax rate changes

 

(533,249)

 

 

--

Income tax (expense)

$

(31,800)

 

$

 --

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

As of May 31,

2018

 

2017

Deferred tax assets:

 

 

 

 

 

Accounts receivable, principally due to allowance for doubtful accounts and sales returns

$

15,000

 

$

19,000

Inventory valuation

 

13,000

 

 

14,000

Compensated absences and deferred payroll

 

49,000

   

62,000

Net operating loss carryforwards

 

923,000

 

 

968,000

Tax credit carryforwards

 

385,000

   

307,000

Deferred rent expense

 

5,000

 

 

6,000

Other

 

163,000

 

 

108,000

Accumulated depreciation and amortization

 

6,000

 

 

--

Total deferred tax assets

 

1,559,000

 

 

1,484,000

Less valuation allowance

 

(1,549,000)

 

 

(1,435,000)

Deferred tax asset Net  

10,000

   

49,000

Deferred tax liabilities:

 

 

 

 

 

Accumulated depreciation of property and equipment

 

--

   

(8,000)

 

 

 

 

 

 

Net deferred tax asset

$

10,000

 

$

41,000