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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
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:
 
 
2012
 
2011
 
 
 
 
 
Deferred Tax Assets
 
 
 
 
Net operating loss and tax credits
 
$
1,159,865

 
$
1,025,621

Property and equipment and intangibles
 
153,361

 
92,470

Allowance for accounts receivable
 
74,362

 
92,977

Reserve for expired product
 
706,960

 
735,992

Inventory
 
1,185,419

 
1,079,541

Deferred charges
 
582,480

 
563,141

Cumulative compensation costs incurred on deductible equity awards
 
1,251,382

 
584,212

Total deferred tax assets
 
5,113,829

 
4,173,954

 
 
 
 
 
Deferred Tax Liabilities
 
 
 
 
Intangible assets
 
(2,665,022
)
 
(2,500,642
)
Net deferred tax assets, before valuation allowance
 
2,448,807

 
1,673,312

Less: deferred tax asset valuation allowance
 
(108,318
)
 
(94,459
)
Net deferred tax assets
 
$
2,340,489

 
$
1,578,853

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, 2012:
Years of expiration
 
Federal
 
State
 
 
 
 
 
2014
 
$

 
$
2,249,078

2015 - 2017
 

 
504,822

2018 - 2024
 

 
51,629,844

2029
 
48,566,499

 

Total federal and state net operating loss carryforwards
 
$
48,566,499

 
$
54,383,744

Schedule of the components of income tax benefit (expense)
Income tax (expense) benefit includes the following components for the years ended December 31:
 
 
2012
 
2011
 
2010
 
 
 
 
 
 
 
Current:
 
 
 
 
 
 
Federal
 
$
(3,185,743
)
 
$
(1,992,804
)
 
$
(2,665,404
)
State and other
 
(820,669
)
 
(422,290
)
 
(518,365
)
Total current income tax expense
 
(4,006,412
)
 
(2,415,094
)
 
(3,183,769
)
 
 
 
 
 
 
 
Deferred:
 
 
 
 
 
 
Federal
 
677,190

 
(1,543,261
)
 
268,563

State
 
84,446

 
(121,849
)
 
63,786

Total deferred income tax benefit (expense)
 
761,636

 
(1,665,110
)
 
332,349

Total income tax expense
 
$
(3,244,776
)
 
$
(4,080,204
)
 
$
(2,851,420
)
Schedule of the components of deferred tax benefit (expense)
Deferred income tax benefit (expense) is comprised of the following components for the years ended December 31:
 
 
2012
 
2011
 
2010
 
 
 
 
 
 
 
Deferred tax (expense) benefit, excluding items below
 
$
(39,870
)
 
$
439,744

 
$
459,575

Inventory write-downs
 
179,755

 
817,840

 
31,228

Creation of operating loss carryforwards
 
25,552

 
11,348

 
9,567

Creation (utilization) of tax credit carryforwards
 
108,699

 
56,395

 
(3,115
)
Change in valuation allowance due to changes in net deferred tax asset balances
 
(15,291
)
 
(13,597
)
 
(10,750
)
Deductible equity awards
 
667,171

 
(330,329
)
 
(132,193
)
Intangible assets
 
(164,380
)
 
(2,646,511
)
 
(21,963
)
Deferred income tax benefit (expense)
 
$
761,636

 
$
(1,665,110
)
 
$
332,349

Schedule of effective tax rate reconciliation
The Company’s effective income tax rate for 2012, 2011 and 2010 reconciles with the federal statutory tax rate as follows: 
 
 
2012
 
2011
 
2010
 
 
 
 
 
 
 
Federal tax expense at statutory rate
 
34
 %
 
35
 %
 
34
%
State income tax expense (net of federal income tax benefit)
 
4
 %
 
4
 %
 
6
%
Permanent differences associated with tax grants
 
 %
 
 %
 
5
%
Permanent differences associated with stock options
 
(5
)%
 
2
 %
 
4
%
Other permanent differences
 
3
 %
 
2
 %
 
4
%
Other
 
 %
 
(1
)%
 
1
%
Net income tax expense
 
36
 %
 
42
 %
 
54
%