Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Short-term Investment

Short-term investments at December 31, 2017 consist of the following:

	Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Current:
Certificates of deposit	$	3,667	$	—	$	—		$	3,667
United States Treasury securities		17,643		—		(16	)		17,627
	$	21,310	$	—	$	(16	)	$	21,294

Short-term investments at December 31, 2016 consist of the following:

	Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Current:
Certificates of deposit	$	22,046	$	—	$	—		$	22,046
Agency bonds		5,917		—		(4	)		5,913
United States Treasury securities		68,766		1		(51	)		68,716
	$	96,729	$	1	$	(55	)	$	96,675

Schedule of Estimated Useful Life of Asset Classification

Depreciation and amortization is provided using the straight-line method over the estimated useful lives of the assets, which are as follows:

Asset Classification	Estimated Useful Life
Computer hardware and software	3 - 5 years
Laboratory equipment	5 years
Office equipment	5 years
Leasehold improvements	Shorter of useful life or remaining life of lease

Schedule of Computation of Basic and Diluted EPS

The following table sets forth the computation of basic and diluted EPS attributable to Inotek’s common stockholders:

	For the Years Ended December 31,
	2017			2016
	(in thousands, except share and per share amounts)
Numerator:
Net loss applicable to common stockholders	$	(29,497	)	$	(42,854	)
Denominator:
Weighted average common shares outstanding—basic    and diluted		6,765,451			6,683,794
Net loss per share applicable to common    stockholders—basic and diluted	$	(4.36	)	$	(6.41	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following common stock equivalents were excluded from the calculation of diluted net loss per share for the periods indicated as including them would have an anti-dilutive effect:

	For the Years Ended December 31,
	2017		2016
Shares issuable upon conversion of the 2021    Convertible Notes		1,620,947		1,620,947
Warrants for common stock		14,102		14,102
Stock options		523,520		668,864
Restricted Stock Units		271,719		117,500
Total		2,430,288		2,421,413