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Property and Equipment

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Property and Equipment

(3)Property and Equipment

Depreciation and amortization of property and equipment is calculated on the straight-line method based on estimated useful lives of six to ten years for tenant improvements and three to five years for all other property and equipment.  Property and equipment consist of the following:

		As of December 31,
		2017				2016
Lab equipment		$	1,914,911			$	1,314,060
Computer equipment			169,366				165,415
Computer software			299,227				299,227
Furniture and fixtures			202,218				184,233
Tenant improvements			763,898				763,898
Other office equipment			63,825				20,591
			3,413,445				2,747,424
Less accumulated depreciation			(2,376,585	)			(1,940,338	)
		$	1,036,860			$	807,086

Depreciation expense was $436,247, $495,347 and $458,734 for the years ended December 31, 2017, 2016 and 2015, respectively.

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- References

No definition available.

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- Definition

The entire disclosure for intangible assets and long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-URI http://asc.fasb.org/topic&trid=2144416

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