ACCOUNTS RECEIVABLE AND CUSTOMER DEPOSITS (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
ACCOUNTS RECEIVABLE AND CUSTOMER DEPOSITS
Bad debt expense	$ 103,182	$ 15,864
Unbilled revenue	$ 0	$ 18,164

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

No definition available.

Name:	us-gaap_UnbilledReceivablesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant