Note 7 - Loan Payable - Principal Repayments (Details) $ in Thousands	Jun. 30, 2018 USD ($)
Remainder of 2018	$ 8,771
2019	17,900
2020	17,900
2021	17,900
2022	5,225
Thereafter	1,731
	$ 69,427

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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