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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
The following is a summary of the components giving rise to the income tax provision (benefit) for the years ended December 31, 2017, 2016 and 2015:
  
 
 
2017
 
2016
 
2015
 
 
 
 
 
 
 
 
 
 
 
 
Current:
 
 
 
 
 
 
 
 
 
 
Federal
 
$
-
 
$
-
 
$
-
 
State
 
 
-
 
 
-
 
 
-
 
Total current
 
 
-
 
 
-
 
 
-
 
 
 
 
 
 
 
 
 
 
 
 
Deferred:
 
 
 
 
 
 
 
 
 
 
Federal
 
 
1,263,677
 
 
(2,424,497)
 
 
(3,372,964)
 
State
 
 
214,628
 
 
21,452
 
 
(155,352)
 
Total deferred
 
 
1,478,305
 
 
(2,403,045)
 
 
(3,528,316)
 
Change in valuation allowance
 
 
(1,478,305)
 
 
2,403,045
 
 
3,528,316
 
 
 
$
-
 
$
-
 
$
-
 
Schedule of Effective Income Tax Rate Reconciliation
The provision (benefit) for income tax varies from that which would be expected based on applying the statutory federal rate to pre-tax accounting loss, including the effect of the change in the U.S. corporate income tax rates, as follows:
 
 
 
2017
 
2016
 
2015
 
 
 
 
 
 
 
 
 
 
 
 
Statutory federal rate
 
 
(34.0)
%
 
(34.0)
%
 
(34.0)
%
Other items
 
 
(2.4)
 
 
(0.2)
 
 
0.0
 
Derivative liability
 
 
0.4
 
 
11.9
 
 
(0.5)
 
Stock based compensation
 
 
2.0
 
 
1.5
 
 
3.1
 
Research and development credit carryforward
 
 
(1.8)
 
 
-
 
 
-
 
State tax provision, net of federal benefit
 
 
1.1
 
 
0.1
 
 
(0.9)
 
Federal tax rate change
 
 
46.1
 
 
-
 
 
-
 
Valuation allowance
 
 
(11.4)
 
 
20.7
 
 
32.3
 
 
 
 
 
 
 
 
 
 
 
 
Effective tax rate (benefit) provision
 
 
0.0
%
 
0.0
%
 
0.0
%
Schedule of Deferred Tax Assets and Liabilities
Individual components of deferred taxes consist of the following as of December 31:
 
 
 
2017
 
2016
 
2015
 
 
 
 
 
 
 
 
 
 
 
 
Deferred tax assets:
 
 
 
 
 
 
 
 
 
 
Net operating loss carry-forward
 
$
9,917,641
 
$
11,626,143
 
$
7,745,734
 
Accounts receivable reserve
 
 
-
 
 
3,499
 
 
3,499
 
Inventory
 
 
48,011
 
 
96,934
 
 
38,707
 
Stock-based compensation
 
 
388,925
 
 
282,850
 
 
1,599,916
 
Start-up expenditures
 
 
279,709
 
 
477,917
 
 
514,680
 
Research and development credit carryforward
 
 
232,198
 
 
-
 
 
-
 
Loss on equity investment
 
 
11,760
 
 
139,676
 
 
68,877
 
Severance liability
 
 
-
 
 
69,860
 
 
147,070
 
Other
 
 
4,272
 
 
21,423
 
 
9,272
 
 
 
 
10,882,516
 
 
12,718,302
 
 
10,127,755
 
Deferred tax liabilities:
 
 
 
 
 
 
 
 
 
 
Machinery and equipment
 
 
(220,888)
 
 
(316,232)
 
 
(227,186)
 
Patents and trademarks
 
 
(558,760)
 
 
(807,137)
 
 
(767,044)
 
Other intangible assets
 
 
(124,953)
 
 
(138,713)
 
 
(80,349)
 
 
 
 
(904,601)
 
 
(1,262,082)
 
 
(1,074,579)
 
Valuation allowance
 
 
(9,977,915)
 
 
(11,456,220)
 
 
(9,053,176)
 
 
 
 
 
 
 
 
 
 
 
 
Net deferred taxes
 
$
-
 
$
-
 
$
-