Note 2 - Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Reconciliation of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Between Balance Sheet and Statements of Cash Flows [Table Text Block]

	June 30,		June 30,		December 31,
	2018		2017		2017
Cash and cash equivalents	$	30,098	$	40,164	$	11,789
Funds held by lender and restricted cash		308		611		143
Total cash, cash equivalents, and restricted cash	$	30,406	$	40,775	$	11,932