Long Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Long-term debt, gross	$ 8,401	$ 48,684
Less unamortized debt issuance costs	(130)	(140)
Less current portion of long-term debt	(173)	(168)
Long-term debt, net, excluding operating leases and finance leases	8,098	48,376
Revolving credit note [Member]
Long-term debt, gross
Credit note [Member]
Long-term debt, gross	8,386	8,460
3.0% note payable [Member]
Long-term debt, gross	15	24
Convertible notes [Member]
Long-term debt, gross		$ 40,200

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

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.

+ References

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-Publisher FASB
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- Definition

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

+ References

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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