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Property, Plant and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment, Net, by Type [Abstract]
Property, plant and equipment, gross	$ 1,089,300	$ 1,858,400
Accumulated depreciation	(832,400)	(1,153,000)
Property, plant and equipment, net	256,905	705,438
Depreciation expense	400,000	500,000
Lab equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Property, plant and equipment, gross	0	181,600
Furniture and fixtures
Property, Plant and Equipment, Net, by Type [Abstract]
Property, plant and equipment, gross	25,400	288,200
Computer equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Property, plant and equipment, gross	998,300	1,173,400
Software
Property, Plant and Equipment, Net, by Type [Abstract]
Property, plant and equipment, gross	0	99,500
Leasehold improvements
Property, Plant and Equipment, Net, by Type [Abstract]
Property, plant and equipment, gross	$ 65,600	$ 115,700

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
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