Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

Name:	us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Note 8 - Commitments and Contingencies (Details Textual) - USD ($)		12 Months Ended
	May 16, 2017	Dec. 31, 2016	Sep. 30, 2017
New York, NY [Member]
Operating Leases Monthly Rent		$ 16,700
Operating Leases, Rent Expense, Net		$ 201,000
Brooklyn, NY [Member] \| Temporary Location Lease [Member]
Operating Leases Monthly Rent			$ 6,000
Brooklyn, NY [Member] \| Permanent Location Lease [Member]
Operating Leases Monthly Rent	$ 9,000
Lessee, Operating Lease, Term of Contract	5 years