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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of Share-based Compensation, Activity [Table Text Block]

A summary of the status of the Company’s non-vested stock options at December 31 and changes during the year is as follows:

		2014						2013
					Weighted						Weighted
		Number of			Average Grant			Number of			Average Grant
		Options			Date Fair Value			Options			Date Fair Value
Non-vested stock options at January 1			248,411		$	4.15			117,188		$	2.20
Granted			141,880		$	9.68			206,390		$	4.91
Vested			(156,240)		$	5.50			(75,167)		$	3.21
Exercised			(7,504)		$	4.88			-			-
Forfeited/Expired/Exchanged			(24,688)		$	7.36			-			-
Non-vested stock options at December 31			201,859		$	6.57			248,411		$	4.15

Schedule Of Recognized Compensation Cost [Table Text Block]

The recognized compensation cost associated with the Plan is as follows:

		2014			2013
Research and development		$	99,000		$	42,000
General and administrative			240,000			73,000
Effect on net loss		$	339,000		$	115,000
Effect on net loss per share		$	0.04		$	0.01

Schedule Of Expected Recognition Of General And Administrative Expense [Table Text Block]

The remaining cost is reflected as a contra-equity balance against additional paid in capital and is expected to be recognized in future years as follows:

2015		$	26,000
2016			20,000
		$	46,000

Schedule Of Share Based Payment Award Warrants Valuation Assumptions [Table Text Block]

The following weighted-average assumptions were utilized for the calculations:

Expected life (in years)		5
Weighted average volatility		74	%
Weighted average risk-free interest rate		1.49	%
Expected dividend rate		-

Schedule Of Share Based Compensation Warrants Activity [Table Text Block]

The following table summarizes the number of warrants, the weighted average exercise price, and weighted average life (in years) by price for both total outstanding warrants and total exercisable warrants at December 31, 2014:

			Total Outstanding Warrants
Exercise Price			Warrants		Weighted Average Exercise Price				Life (in years)
$	1.80		80,000		$	1.80			6.13
$	2.20		118,959		$	2.20			1.36
$	5.00		345,000		$	5.00			2.32
$	10.00		20,313		$	10.00			4.18
			564,272		$	4.14

Equity Incentive Plan [Member]

Schedule of Share-based Compensation, Activity [Table Text Block]

Activity under the Plan is as follows:

		2014			2013
Reserved but unissued shares under the Equity Incentive Plan, beginning of year			249,736			480,260
Increases in the number of authorized shares under the Equity Incentive Plan			85,705			5,866
Grants of stock options			(141,880)			(206,390)
Stock option forfeitures			24,688			-
Exercise of stock options			39,140			-
Stock grants			(14,625)			(30,000)
Stock grant forfeitures			-			-
Reserved but unissued shares under the Equity Incentive Plan, end of year			242,764			249,736

Consultant Plan [Member]

Schedule of Share-based Compensation, Activity [Table Text Block]

Activity under the Consultant Plan from its inception to date is as follows:

		2014			2013
Reserved but unissued shares under the Consultant Plan			64,037			75,000
Increases in the number of authorized shares under the Consultant Plan			8,571			287
Stock grants			(7,000)			(11,250)
Stock grant forfeitures			-			-
Reserved but unissued shares under the Consultant Plan			65,608			64,037

Warrant [Member]

Schedule Of Share Based Compensation Warrants Activity [Table Text Block]

A summary of the Company’s warrant activity and related information is as follows:

		2014						2013
					Weighted Average						Weighted Average
		Warrants			Exercise Price			Warrants			Exercise Price
Outstanding at beginning of year			543,959		$	3.92			561,368		$	3.86
Granted			20,313		$	10.00			-			-
Exercised			-			-			(17,409)		$	2.20
Forfeited/Expired			-			-			-			-
Outstanding at end of year			564,272		$	4.14			543,959		$	3.92

Employee Stock Option [Member]

Schedule Of Share Based Payment Award Warrants Valuation Assumptions [Table Text Block]

The following weighted-average assumptions were utilized in the calculation of the fair value of the stock options:

Expected life		6.25 years
Weighted average volatility		74	%
Forfeiture rate		13	%
Weighted average risk-free interest rate		1.93	%
Expected dividend rate		-

The following weighted-average assumptions were utilized in the calculation of the fair value of the stock options:

Expected life		6.25 years
Weighted average volatility		33	%
Forfeiture rate		13	%
Weighted average risk-free interest rate		1.31	%
Expected dividend rate		-

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the Company’s stock option activity and related information is as follows:

		2014									2013
								Weighted									Weighted
			Options					Average				Options					Average
			to		Weighted			Remaining				To		Weighted			Remaining
			Purchase		Average			Contractual				Purchase		Average			Contractual
		Common			Exercise			Life			Common			Exercise			Life
		Stock			Price			(in years)			Stock			Price			(in years)
Outstanding at January 1			565,765		$	3.19			8.21			359,375		$	2.20			8.75
Granted			141,880		$	9.68			7.70			206,390		$	4.91			9.01
Exercised			(39,140)		$	3.11			-			-			-			-
Forfeited/Expired/Exchanged			(24,688)		$	7.36			-			-			-			-
Outstanding at December 31			643,817		$	4.46			5.67			565,765		$	3.19			8.21
Exercisable at December 31			441,958		$	3.50			4.47			317,354		$	2.44			7.87

Schedule Of Employee Service Share Based Compensation Unrecognized Period Costs [Table Text Block]

At December 31, 2014, there was $601,000 of total unrecognized compensation cost related to non-vested stock option-based compensation arrangements granted under the Plan. That cost is expected to be recognized in future years as follows:

2015		$	229,000
2016			209,000
2017			153,000
2018			10,000
		$	601,000

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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