Revolving Line of Credit (Details Narrative) - USD ($)	12 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Letter of Credit
Line of credit	$ 701,000	$ 808,000
Line of credit, maturity date	Feb. 29, 2020
Unused credit line	$ 799,000	$ 692,000
Revolving Line of Credit
Line of credit description	The revolving credit line is collateralized by the Company's accounts receivable and inventory. The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance to a 36-month term note with payments including interest in 36 equal installments.	The revolving credit line is collateralized by the Company's accounts receivable and inventory. The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance to a 36-month term note with payments including interest in 36 equal installments.
Line of credit	$ 1,500,000	$ 1,500,000
Prime rate	4.75%	5.50%

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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