Note 11 - Foreign Operations (Details Textual) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
INDIA
Assets, Noncurrent, Total	$ 153,000	$ 175,000
Foreign [Member]
Assets, Noncurrent, Total	1,226,000	10,940,000
Liabilities, Total	$ 1,267,000	$ 711,000

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