Provision For Income Taxes (Reconciliation Of The Provision For Income Taxes At Statutory Rate) (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Provision For Income Taxes [Abstract]
Federal income tax expense computed at the statutory rate	$ 1,284,123	$ 630,667
Federal income tax expense computed at the statutory rate, percentage	34.00%	34.00%
State and local tax expense, net	281,160	215,169
State and local tax expense, percentage	7.40%	11.60%
U.S. domestic manufacturers' deduction & other permanent differences	(154,091)	(52,493)
U.S. domestic manufacturers' deduction & other permanent differences, percentage	(4.00%)	(2.80%)
Change in tax estimate	0	(33,430)
Change in tax estimate, percentage	0.00%	(1.80%)
Provision for income taxes, percentage	37.40%	41.00%
Provision for income taxes	$ 1,411,192	$ 759,913

Income Tax Expense Benefit Percentage

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- Definition

Income tax reconciliation, permanent differences.

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Income Tax Reconciliation Permanent Differences Percentage

+ References

No definition available.

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References

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-Publisher FASB

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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The sum of the differences between the effective income tax rate and domestic federal statutory income tax rate that can be explained by all tax credits generated or utilized under enacted tax laws during the period.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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-Glossary Income Tax Expense (or Benefit)

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit.

+ References

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to tax credits.

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