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Note 6 - Income Taxes
12 Months Ended
Mar. 31, 2019
Notes to Financial Statements  
Income Tax Disclosure [Text Block]

NOTE
6.
INCOME TAXES

     Income tax provisions for fiscal
2019
and
2018
consisted of the following:
 
   
Year Ended March 31
 
   
2019
   
2018
 
Current taxes                
Federal
  $
3,107,376
    $
5,899,574
 
State
   
125,796
     
160,670
 
Deferred taxes                
Federal
   
(30,012
)
   
31,800
 
State
   
(1,257
)
   
4,108
 
Income tax provision
  $
3,201,903
    $
6,096,152
 

    A reconciliation of income tax provisions at the U.S. statutory rate for fiscal
2019
and
2018
is as follows:
 
   
Year Ended March 31
 
   
2019
   
2018
 
Tax expense at U.S. statutory rate
  $
3,719,066
    $
6,282,771
 
State income taxes, net of Federal benefit
   
95,430
     
103,240
 
Domestic manufacturing deduction
   
-
     
(495,361
)
Foreign-derived intangible income deduction
   
(555,256
)
   
-
 
Municipal interest
   
-
     
(1,378
)
Tax Reform Act effect on deferred tax assets
   
-
     
206,693
 
Other
   
(57,337
)
   
187
 
Income tax provision
  $
3,201,903
    $
6,096,152
 
 
     Deferred income taxes reflect the net tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of our deferred tax assets and liabilities as of
March 
31,
2019
and
2018
were as follows:
 
   
March 31
 
   
2019
   
2018
 
Paid time off accrual
  $
55,900
    $
59,171
 
Inventory reserve
   
41,572
     
41,572
 
Depreciation and amortization
   
112,125
     
81,385
 
Stock-based compensation deductions
   
62,671
     
55,886
 
Unrealized loss on marketable securities
   
23,170
     
273,360
 
Other
   
58,297
     
61,281
 
Deferred tax assets
  $
353,735
    $
572,655
 
 
     The Act “To provide for reconciliation pursuant to titles II and V of the concurrent resolution on the budget for fiscal year
2018”
(the “Tax Reform Act”) was enacted
December 
22,
2017.
The Tax Reform Act reduced certain Federal corporate income tax rates effective
January 1, 2018
and changed certain other provisions. The effective tax rate for fiscal
2018
was a blended rate reflecting the estimated benefit of Federal tax rate reductions. These benefits were partially offset by a
one
-time
$206,693
unfavorable impact of a revaluation of our deferred tax assets. The revaluation of our deferred tax assets increased income tax provisions for the year ended
March 
31,
2018,
and decreased deferred tax assets as of
March 
31,
2018.

 
     We had
no
unrecognized tax benefits as of
March 
31,
2019,
and we do
not
expect any significant unrecognized tax benefits within
12
 months of the reporting date. We recognize interest and penalties related to income tax matters in income tax expense. As of
March 
31,
2019
we had
no
accrued interest related to uncertain tax positions. The tax years
2015
through
2017
remain open to examination by the major taxing jurisdictions to which we are subject.