CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Flows From Operating Activities
Net Income (loss)	$ 2,477,000	$ 362,000
Adjustments To Reconcile Net Income (loss) To Net Cash Provided By (used In) Operating Activities:
Depreciation And Amortization	293,000	350,000
Equipment Transferred To Cost Of Goods Sold	261,000	131,000
Share-based Compensation	671,000	680,000
Net Change In:
Trade Accounts Receivable	(278,000)	(2,031,000)
Inventories	(701,000)	(20,000)
Other Current Assets	131,000	139,000
Accounts Payable And Accrued Liabilities	(347,000)	626,000
Deferred Revenue	(156,000)	273,000
Other Long-term Liabilities	(493,000)	(222,000)
Deposits And Other Long-term Assets	344,000	280,000
Net Cash Provided By (used In) Operating Activities	(2,752,000)	(156,000)
Cash Flows From Investing Activities:
Purchases Of Property, Plant And Equipment	(648,000)	(235,000)
Cash Provided By (used In) Investing Activities	(648,000)	(235,000)
Net Proceeds From Issuance Of Common Stock, Less Payments
For Shares Withheld To Cover Tax	(171,000)	(431,000)
Cash Provided By (used In) Financing Activities	(171,000)	(431,000)
Increase (decrease) In Cash And Cash Equivalents	(3,571,000)	(822,000)
Effects Of Exchange Rate Changes On Cash	(328,000)	(332,000)
Cash And Cash Equivalents At Beginning Of Period	14,190,000	14,167,000
Cash and cash equivalents at end of period	10,291,000	13,013,000
Cash Paid During The Period For:
Income Taxes	$ 445,000	$ 78,000