REVENUE RECOGNITION (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) customer	Dec. 31, 2020 USD ($) customer	Dec. 31, 2019 USD ($) customer
REVENUE RECOGNITION
Allowance for discounts or returns and allowances	$ 0	$ 0
Payment period	21 days
Unbilled receivables	$ 178	349
Deferred revenue	(119)	(272)
Net contract assets	59	77
Total Revenue	$ 30,948	$ 28,111	$ 25,833
Number of customers \| customer	3	2	3
Excise taxes	$ 10,135	$ 9,859	$ 9,187
Net sales-over time
REVENUE RECOGNITION
Total Revenue	21,061	16,326	16,466
Net sales-point in time
REVENUE RECOGNITION
Total Revenue	$ 9,887	$ 11,785	$ 9,367
Revenue
REVENUE RECOGNITION
Risk concentration, as a percent	84.00%	91.00%	93.00%

Amount of allowance for credit loss on accounts receivable.

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