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Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

Year ended December 31,		2015				2014				2013
Current:
Federal		$	82,000			$	(8,646,000	)		$	3,334,000
Prior year under accrual			143,000				44,000				190,000
State			107,000				6,000				---
Deferred:
Federal			2,659,000				(3,877,000	)			(107,000	)
		$	2,991,000			$	(12,473,000	)		$	3,417,000

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

December 31,		2015				2014				2013
Taxes computed at the federal statutory rate		$	2,722,000			$	(12,812,000	)		$	3,792,000
State income tax, net			70,000				4,000				--
Prior year true-up			325,000				44,000				190,000
Research and development tax credit			(177,000	)			(140,000	)			---
Reduction in domestic production activity			--				893,000				---
AMT credit carryforward			--				(584,000	)			---
Permanent differences			51,000				122,000				(565,000	)
Provision for (benefit from) income taxes		$	2,991,000			$	(12,473,000	)		$	3,417,000

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred Tax Assets:		2015				2014
Revenue recognition		$	--			$	560,000
Interest rate swap			3,000				5,000
FIN 48 liability			33,000				---
Allowance for doubtful accounts			26,000				9,000
Credit carryforwards			1,303,000				1,134,000
Deferred rent			212,000				197,000
Stock options			626,000				827,000
Charitable contributions carry foward			18,000				---
Net operating loss carryforward			1,006,000				2,567,000
Deferred Tax Assets			3,227,000				5,299,000
Deferred Tax Liabilities:
Prepaid expenses			156,000				128,000
Revenue recognition			606,000				---
Property and equipment			575,000				622,000
Deferred tax liabilities			1,337,000				750,000
Net Deferred Tax Assets		$	1,890,000			$	4,549,000

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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