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Summary of Significant Accounting Policies (Detail Textuals) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Fair value of advance under credit agreement	$ 13,932,858	$ 3,176,824
Carrying value of total convertible debt - related party	$ 2,914,237

X

- Definition

The carrying value of convertible multi- draw credit facility - related party as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	embi_ConvertibleMultiDrawCreditFacility
Namespace Prefix:	embi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

+ Details

Name:	us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant