XML 41 R15.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 9 - Retirement Plans | 12 Months Ended
--- | ---
Dec. 31, 2018
Notes to Financial Statements |
Pension and Other Postretirement Benefits Disclosure [Text Block] | 9. Retirement Plans The Company has a 401 (k) Profit Sharing Plan covering substantially all eligible domestic employees. The Company made a contribution of $50,000 for the year ended December 31, 2017 and did not make a contribution in 2018.

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration