Leases - Future Minimum Payments Under Non-cancelable Leases Prior to Adoption of 842 (Details)	Dec. 31, 2018 USD ($)
Operating Leases
2019	$ 2,848,000
2020	2,267,000
2021	783,000
2022	487,000
2023	489,000
Thereafter	243,000
Total future minimum lease payments	7,117,000
Finance Leases
2019	119,000
2020	119,000
2021	119,000
2022	119,000
2023	119,000
Thereafter	79,000
Total future minimum lease payments	$ 674,000

Amount of minimum lease payments for capital leases.

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-SubTopic 30
-Section 50
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Amount of minimum lease payments for capital leases due in the next 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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Amount of minimum lease payments for capital leases due in 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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Amount of minimum lease payments for capital leases due in the fourth 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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Amount of minimum lease payments for capital leases due in the third 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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Amount of minimum lease payments for capital leases due in the second 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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Amount of minimum lease payments for capital leases due 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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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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