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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2015
Income Tax Disclosure [Abstract]  
Schedule of deferred tax assets and liabilities, net
The components of the Company's net deferred tax assets at December 31 are as follows:
 
 
2015
 
2014
 
 
 
 
 
Deferred Tax Assets
 
 
 
 
Net operating loss and tax credits
 
$
2,274,994

 
$
2,205,260

Property and equipment and intangibles
 
326,499

 
300,301

Allowance for accounts receivable
 
145,200

 
172,008

Reserve for expired product
 
849,579

 
817,736

Inventory
 
1,154,507

 
1,412,477

Deferred charges
 
660,973

 
1,504,835

Cumulative compensation costs incurred on deductible equity awards
 
1,675,757

 
1,676,729

Total deferred tax assets
 
7,087,509

 
8,089,346

 
 
 
 
 
Deferred Tax Liabilities
 
 
 
 
Intangible assets
 
(3,162,502
)
 
(3,707,535
)
Net deferred tax assets, before valuation allowance
 
3,925,007

 
4,381,811

Less: deferred tax asset valuation allowance
 
(185,497
)
 
(152,074
)
Net deferred tax assets
 
$
3,739,510

 
$
4,229,737

Schedule of federal and state net operating loss carryforwards
The following table summarizes the amount and year of expiration of the Company's federal and state net operating loss carryforwards as of December 31, 2015:
Years of expiration
 
Federal
 
State
 
 
 
 
 
2016 - 2018
 
$

 
$
562,865

2019 - 2028
 

 
38,585,151

2029
 
42,973,043

 
10,266,915

2030 - 2035
 
1,984,927

 
1,615,752

Total federal and state net operating loss carryforwards
 
$
44,957,970

 
$
51,030,683

Schedule of the components of income tax benefit (expense)
Income tax (expense) benefit includes the following components for the years ended December 31:
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Current:
 
 
 
 
 
 
Federal
 
$
(41,326
)
 
$
(1,440,010
)
 
$
(45,287
)
State and other
 
(44,276
)
 
(250,064
)
 
(11,580
)
Total current income tax expense
 
(85,602
)
 
(1,690,074
)
 
(56,867
)
 
 
 
 
 
 
 
Deferred:
 
 
 
 
 
 
Federal
 
(385,723
)
 
213,552

 
1,426,701

State
 
(104,504
)
 
95,778

 
153,217

Total deferred income tax benefit (expense)
 
(490,227
)
 
309,330

 
1,579,918

Total income tax benefit (expense)
 
$
(575,829
)
 
$
(1,380,744
)
 
$
1,523,051

Schedule of the components of deferred tax benefit (expense)
Deferred income tax is comprised of the following components for the years ended December 31:
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Deferred tax (expense) benefit, excluding items below
 
$
26,193

 
$
85,844

 
$
60,739

Inventory
 
(257,970
)
 
(83,418
)
 
310,477

Operating loss carryforwards
 
34,465

 
17,424

 
788,342

Tax credit carryforwards
 
35,272

 
43,398

 
196,631

Valuation allowance due to changes in net deferred tax asset balances
 
(33,405
)
 
(20,457
)
 
(23,299
)
Deductible equity awards
 
(972
)
 
298,039

 
127,308

Allowance for accounts receivable
 
(26,808
)
 
(63,438
)
 
161,084

Deferred charges
 
(59,028
)
 
838,556

 
83,755

Reserve for expired product
 
31,784

 
217,330

 
(106,554
)
Intangible assets
 
(239,758
)
 
(1,023,948
)
 
(18,565
)
Deferred income tax benefit (expense)
 
$
(490,227
)
 
$
309,330

 
$
1,579,918

Schedule of effective tax rate reconciliation
The Company’s effective income tax rate for 2015, 2014 and 2013 reconciles with the federal statutory tax rate as follows: 
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Federal tax expense at statutory rate
 
34
 %
 
34
 %
 
34
 %
State income tax expense (net of federal income tax benefit)
 
4
 %
 
5
 %
 
4
 %
Permanent differences associated with general business credits
 
(3
)%
 
(1
)%
 
5
 %
Other permanent differences
 
10
 %
 
1
 %
 
 %
Other
 
1
 %
 
(2
)%
 
(1
)%
Net income tax expense
 
46
 %
 
37
 %
 
42
 %