Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The income tax provision consists of the following:

	2015		2014		2013
Current –
Federal	$	(214,297)	$	155,602	$	1,499,400
State		(55,258)		(127,329)		77,344
		(269,555)		28,273		1,576,744
Deferred –
Federal		544,492		1,363,093		406,116
State		(439,325)		35,618		10,568
		105,167		1,398,711		416,684
Income Tax Provision	$	(164,388)	$	1,426,984	$	1,993,428

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of the effective rate with the federal statutory rate is as follows:

	2015			2014			2013
Federal statutory rate		34.0	%		34.0	%		34.0	%
State income taxes, net of federal benefit		-22.0	%		1.1	%		1.1	%
Permanent differences		1.3	%		-2.7	%		0.6	%
Stock based compensation		3.9	%		0.0	%		0.0	%
Federal R&D Credits		-29.4	%		-1.6	%		-1.3	%
Effective tax rate		-12.2	%		30.8	%		34.4	%

Schedule Of Deferred Tax Assets [Table Text Block]

The components of the net deferred tax assets included in the accompanying balance sheets are as follows at December 31:

	2015		2014
Deferred tax assets:
Stock-based compensation	$	127,754	$	168,926
Allowance for doubtful accounts		20,599		33,585
Accrued expenses		115,221		89,212
R&D tax credits		407,705		84,806
	$	671,279	$	376,529
Deferred tax liabilities:
Prepaid expenses		(57,697)		(44,565)
Excess of tax over book depreciation and amortization		(3,138,885)		(2,752,101)
		(3,196,582)		(2,796,666)
Net deferred tax liabilities	$	(2,525,303)	$	(2,420,137)

Schedule Of Deferred Tax Liabilities [Table Text Block]

These amounts are shown net on the balance sheets as follows:

	2015		2014
Deferred tax asset short-term	$	327,442	$	376,529
Deferred tax liability long-term		(2,852,745)		(2,796,666)
Net deferred tax liabilities	$	(2,525,303)	$	(2,420,137)