Note 13 - Severance Costs (Details Textual) - USD ($)	Sep. 30, 2018	Apr. 23, 2018
Postemployment Benefits Liability, Current	$ 590,000
Postemployment Benefits Liability, Noncurrent	985,000
Former CEO [Member]
Postemployment Benefits Liability, Total	$ 1,575,000	$ 1,772,000

For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable within one year of the balance sheet date.

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The carrying amount as of the balance sheet date of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement.

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