Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Name:	us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Note 3 - Summary of Accounting Policies (Details Textual)	Apr. 20, 2018	Sep. 30, 2018 USD ($) $ / shares	Dec. 31, 2017 $ / shares	Sep. 30, 2017 USD ($)
Common Stock, Par or Stated Value Per Share \| $ / shares		$ 0.18	$ 0.18
Restricted Cash and Cash Equivalents, Total \| $		$ 55,000		$ 55,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	12