Note 5 - Prepaid Expenses and Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	June 30, 2018		December 31, 2017
Amounts owed to the Company from sale of common stock	$	14,130	$	-
All other non-trade receivables		239		73
Prepaid assets		889		639
Total prepaid expenses and other current assets	$	15,258	$	712