| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
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|
|
2014
|
|
|
2013
|
|
|
Current deferred income tax assets (liabilities):
|
|
|
|
|
|
|
|
Inventories
|
|
$
|
292,675
|
|
|
$
|
262,162
|
|
|
Accrued expenses and reserves
|
|
|
297,336
|
|
|
|
657,125
|
|
|
Prepaid expenses
|
|
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(42,722
|
)
|
|
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(23,427
|
)
|
|
Net operating loss carry forwards and credits
|
|
|
1,752,291
|
|
|
|
3,813,429
|
|
|
|
|
|
2,299,580
|
|
|
|
4,709,289
|
|
|
Valuation allowance
|
|
|
(50,145
|
)
|
|
|
(94,179
|
)
|
|
Net current deferred tax asset
|
|
$
|
2,249,435
|
|
|
$
|
4,615,110
|
|
|
|
|
|
|
|
|
|
|
|
|
Long-term deferred income tax assets (liabilities):
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|
|
|
|
|
|
|
|
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Intangibles
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|
$
|
(30,028
|
)
|
|
$
|
(15,779
|
)
|
|
Property and equipment depreciation
|
|
|
18,091
|
|
|
|
86,292
|
|
|
Net operating loss carry forwards and credits
|
|
|
1,531,315
|
|
|
|
2,096,581
|
|
|
Stock based compensation
|
|
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57,573
|
|
|
|
66,722
|
|
|
Accrued expenses and reserves
|
|
|
3,369
|
|
|
|
7,444
|
|
|
Goodwill
|
|
|
(626,018
|
)
|
|
|
(549,608
|
)
|
|
|
|
|
954,302
|
|
|
|
1,691,652
|
|
|
Valuation allowance
|
|
|
(797,680
|
)
|
|
|
(881,079
|
)
|
|
Net long-term deferred tax asset
|
|
$
|
156,622
|
|
|
$
|
810,573
|
|
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
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|
2014
|
|
|
2013
|
|
|
2012
|
|
|
Current:
|
|
|
|
|
|
|
|
|
|
|
Federal
|
|
$
|
115,049
|
|
|
$
|
180,706
|
|
|
$
|
87,193
|
|
|
State
|
|
|
46,303
|
|
|
|
58,421
|
|
|
|
25,439
|
|
|
|
|
|
161,352
|
|
|
|
239,127
|
|
|
|
112,632
|
|
|
Deferred:
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|
|
|
|
|
|
|
|
|
|
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Federal
|
|
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2,903,110
|
|
|
|
2,455,015
|
|
|
|
(3,088,076
|
)
|
|
State
|
|
|
116,516
|
|
|
|
109,030
|
|
|
|
(348,855
|
)
|
|
|
|
|
3,019,626
|
|
|
|
2,564,045
|
|
|
|
(3,436,931
|
)
|
|
Income tax expense (benefit)
|
|
$
|
3,180,978
|
|
|
$
|
2,803,172
|
|
|
$
|
(3,324,299
|
)
|
|