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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2019
INCOME TAXES [Abstract]  
Components of (Loss) Before Income Taxes
The components of (loss) before income taxes consisted of the following:

  
Year Ending December 31,
 
  
2019
  
2018
 
United States operations
 
$
(12,504,780
)
 
$
(7,137,428
)
International operations
  
(1,670,641
)
  
(795,742
)
(Loss) before taxes
 
$
(14,175,421
)
 
$
(7,933,170
)
(Benefit) Provision for Income Taxes
The components of (loss) before income taxes consisted of the following:

  
Year Ending December 31,
 
  
2019
  
2018
 
United States operations
 
$
(12,504,780
)
 
$
(7,137,428
)
International operations
  
(1,670,641
)
  
(795,742
)
(Loss) before taxes
 
$
(14,175,421
)
 
$
(7,933,170
)

The (benefit from) provision for income taxes for the years ended December 31, 2019 and 2018 is comprised of the following:

  
Year Ending December 31,
 
  
2019
  
2018
 
Current
      
Federal
 
$
  
$
 
State
  
9,790
   
10,911
 
Foreign
  
3,633
   
 
Total current (benefit) provision
  
13,423
   
10,911
 
         
Deferred
        
Federal
  
   
 
State
  
   
 
Foreign
  
(513,715
)
  
(78,432
)
Total deferred (benefit) provision
  
(513,715
)
  
(78,432
)
         
Total (benefit) provision
 
$
(500,292
)
 
$
(67,521
)
Reconciliation of Federal Statutory Rate to Effective Rate Applicable to Loss Before Income Taxes
A reconciliation of the Federal statutory rate to the effective rate applicable to loss before income taxes is as follows:

  
Year Ending December 31,
 
  
2019
  
2018
 
Federal income tax at statutory rates
  
21.00
%
  
21.00
%
State income taxes, net of federal benefit
  
(0.05
)%
  
(0.10
)%
Nondeductible expenses
  
(1.00
)%
  
(1.58
)%
Foreign rate differential
  
0.45
%
  
0.36
%
Change in valuation allowance
  
(17.51
)%
  
(18.44
)%
Other
  
.64
%
  
(0.39
)%
Income tax benefit
  
3.53
%
  
0.85
%
Deferred Tax Assets and Liabilities
  
2019
  
2018
 
Inventory reserves
 
$
196,193
  
$
204,206
 
Accrued expenses
  
105,323
   
175,168
 
Net operating loss carry-forwards
  
10,079,317
   
7,122,576
 
Research and development credit
  
1,679,495
   
1,696,870
 
Stock-based compensation
  
581,053
   
215,797
 
Lease obligations
   1,646,584    
Depreciation
  
44,993
   
139,362
 
Total deferred tax assets
  
14,332,958
   
9,553,979
 
Right-of-use assets
   (1,538,129)
   
Intangibles
  
(921,807
)
  
(968,849
)
Total deferred tax liabilities
  
(2,459,936
)
  
(968,849
)
         
Net deferred tax assets before valuation allowance
  
11,873,022
   
8,585,130
 
Less valuation allowances
  
(12,339,348
)
  
(9,477,438
)
Net noncurrent deferred tax liabilities
 
$
(466,326
)
 
$
(892,308
)