Debt - Summary of Term Loan and Line of Credit (Details) - USD ($)	Jul. 31, 2018	Jan. 31, 2018
Debt Instrument [Line Items]
Capital lease	$ 67,000	$ 0
Total	4,395,000	4,626,000
Less: Current portion	(596,984)	(596,984)
Senior Notes
Debt Instrument [Line Items]
Long-term debt	4,328,000	4,626,000
Deferred financing cost	(93,000)	(128,000)
Total	4,302,000	4,498,000
Less: Current portion	(634,000)	(597,000)
Non-current portion of debt	$ 3,668,000	$ 3,901,000

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of long-term debt and capital lease obligations including current maturities.

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