v2.4.1.9

Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Option Activity under Plans and Related Information

The following table summarizes option activity under the plans, and related information:

		Shares Available for Grant				Stock Options Outstanding				Weighted- average Exercise Price
Balance—December 31, 2011			306,188				496,908			$	3.70
Granted			(211,056	)			211,056				0.55
Exercised			—				(2,924	)			3.36
Forfeited			32,585				(32,585	)			3.43
Expired			52,549				(52,549	)			3.49
Balance—December 31, 2012			180,266				619,906				2.67
Granted			(4,081	)			4,081				0.48
Exercised			—				(212	)			0.55
Forfeited			7,247				(7,247	)			2.33
Expired			149,563				(149,563	)			4.73
Balance—December 31, 2013			332,995				466,965				1.99
Additional options authorized			940,884				—				—
Granted			(585,345	)			585,345				11.76
Assumed in business combination			—				23,229				2.06
Exercised			—				(9,363	)			2.14
Forfeited			20,591				(20,591	)			10.36
Expired			13,781				(13,781	)			2.74
Balance—December 31, 2014			722,906				1,031,804				7.36

Schedule of Outstanding, Exercisable and Vested Stock Options

Outstanding, exercisable and vested stock options as of December 31, 2014 are summarized as follows:

		Options Outstanding & Exercisable at December 31, 2014												Options Vested at December 31, 2014
Range of Exercise Prices		Number of Options Outstanding				Weighted Average Remaining Contractual Life (Years)				Weighted Average Exercise Price				Number of Options				Weighted Average Exercise Price
$0.27 - 0.55			200,002				7.80			$	0.55				136,560			$	0.55
$2.05 - 3.01			153,469				6.36				2.78				147,641				2.77
$3.36 - 3.97			110,188				3.55				3.47				110,188				3.47
$7.03 - 12.40			568,145				9.38				11.75				21,012				11.82
			1,031,804				8.00				7.36				415,401				2.68

Summary of Options Outstanding Vested and Expected to Vest

Options outstanding that have vested and are expected to vest at December 31, 2014 are as follows:

		Number of Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (Years)				Aggregate Intrinsic Value (In thousands)
Vested			415,401			$	2.68				6.17			$	1,994
Expected to Vest			616,403				10.51				9.19			$	457
Total			1,031,804				7.36				7.98			$	2,451

Weighted-Average Assumptions Used to Fair Value of Share-Based Awards

The fair value of stock-based awards was estimated using the Black-Scholes option-pricing model using the following weighted-average assumptions.

		Year Ended December 31,
		2014				2013				2012
Expected term (in years)			5.1				6.0				6.0
Expected volatility			42.18	%			45.25	%			46.55	%
Risk-free interest rate			1.69	%			1.21	%			1.01	%
Expected dividend yield			—	%			—	%			—	%

Summary of Stock-Based Compensation Expense Related to Stock Options Included in Statements of Operations and Comprehensive Loss

The following table summarizes stock-based compensation expense related to stock options for the years ended December 31, 2013, 2013 and 2012, included in the statements of operations and comprehensive loss as follows (in thousands):

		Year Ended December 31,
		2014				2013				2012
Cost of testing		$	28			$	3			$	2
Research and development			88				7				13
Sales and marketing			29				3				5
General and administrative			390				59				49
		$	535			$	72			$	69

Schedule of Shares Issued and Associated Expense

The shares issued and associated expense were as follows:

Service Period Three Months Ended		Number of Shares Issued				Fair Market Value per Share at Date of Issuance				Fair Value of Shares Issued
September 30, 2014			4,899			$	7.03			$	34,440
December 31, 2014			8,277				7.25				60,008
Total			13,176							$	94,448

X

- Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

+ Details

Name:	us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)

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

+ Details

Name:	us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the following for fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position: the number, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term of options (or share units) outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

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

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

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

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

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

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration