Note 11 - Segment Information - Assets by Geographic Area (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Long-lived assets	$ 79,252	$ 75,057
Total assets	102,885	127,316
UNITED STATES
Long-lived assets	76,871	72,562
Total assets	97,101	110,785
CANADA
Long-lived assets	2,381	2,495
Total assets	$ 5,784	$ 16,531

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

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+ Details