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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2014
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:
 
 
2014
 
2013
 
 
 
 
 
Deferred Tax Assets
 
 
 
 
Net operating loss and tax credits
 
$
2,205,260

 
$
2,144,460

Property and equipment and intangibles
 
300,301

 
214,478

Allowance for accounts receivable
 
172,008

 
235,446

Reserve for expired product
 
817,736

 
600,406

Inventory
 
1,412,477

 
1,495,895

Deferred charges
 
1,504,835

 
666,236

Cumulative compensation costs incurred on deductible equity awards
 
1,676,729

 
1,378,690

Total deferred tax assets
 
8,089,346

 
6,735,611

 
 
 
 
 
Deferred Tax Liabilities
 
 
 
 
Intangible assets
 
(3,707,535
)
 
(2,683,587
)
Net deferred tax assets, before valuation allowance
 
4,381,811

 
4,052,024

Less: deferred tax asset valuation allowance
 
(152,074
)
 
(131,617
)
Net deferred tax assets
 
$
4,229,737

 
$
3,920,407

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, 2014:
Years of expiration
 
Federal
 
State
 
 
 
 
 
2015
 
$

 
$
83,179

2016 - 2017
 

 
421,643

2018 - 2024
 

 
47,289,732

2029
 
44,197,129

 

2033 and 2034
 
$
1,984,927

 
$
2,633,987

Total federal and state net operating loss carryforwards
 
$
46,182,056

 
$
50,428,541

Schedule of the components of income tax benefit (expense)
Income tax (expense) benefit includes the following components for the years ended December 31:
 
 
2014
 
2013
 
2012
 
 
 
 
 
 
 
Current:
 
 
 
 
 
 
Federal
 
$
(1,440,010
)
 
$
(45,287
)
 
$
(3,185,743
)
State and other
 
(250,064
)
 
(11,580
)
 
(820,669
)
Total current income tax expense
 
(1,690,074
)
 
(56,867
)
 
(4,006,412
)
 
 
 
 
 
 
 
Deferred:
 
 
 
 
 
 
Federal
 
213,552

 
1,426,701

 
677,190

State
 
95,778

 
153,217

 
84,446

Total deferred income tax benefit
 
309,330

 
1,579,918

 
761,636

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

 
$
(3,244,776
)
Schedule of the components of deferred tax benefit (expense)
Deferred income tax is comprised of the following components for the years ended December 31:
 
 
2014
 
2013
 
2012
 
 
 
 
 
 
 
Deferred tax (expense) benefit, excluding items below
 
$
85,844

 
$
60,739

 
$
(11,562
)
Inventory
 
(83,418
)
 
310,477

 
179,755

Operating loss carryforwards
 
17,424

 
788,342

 
25,552

Tax credit carryforwards
 
43,398

 
196,631

 
108,699

Valuation allowance due to changes in net deferred tax asset balances
 
(20,457
)
 
(23,299
)
 
(15,291
)
Deductible equity awards
 
298,039

 
127,308

 
667,171

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

 
(18,615
)
Deferred charges
 
838,556

 
83,755

 
19,339

Reserve for expired product
 
217,330

 
(106,554
)
 
(29,032
)
Intangible assets
 
(1,023,948
)
 
(18,565
)
 
(164,380
)
Deferred income tax benefit (expense)
 
$
309,330

 
$
1,579,918

 
$
761,636

Schedule of effective tax rate reconciliation
The Company’s effective income tax rate for 2014, 2013 and 2012 reconciles with the federal statutory tax rate as follows: 
 
 
2014
 
2013
 
2012
 
 
 
 
 
 
 
Federal tax expense at statutory rate
 
34
 %
 
34
 %
 
34
 %
State income tax expense (net of federal income tax benefit)
 
5
 %
 
4
 %
 
4
 %
Permanent differences associated with general business credits
 
(1
)%
 
5
 %
 
 %
Permanent differences associated with stock options
 
 %
 
 %
 
(5
)%
Other permanent differences
 
1
 %
 
 %
 
3
 %
Other
 
(2
)%
 
(1
)%
 
 %
Net income tax expense
 
37
 %
 
42
 %
 
36
 %