Income Taxes - Schedule of Deferred Tax Assets and Tax Carryforwards (Details) - USD ($)	Jan. 31, 2019	Jan. 31, 2018
Deferred tax assets:
Allowance for doubtful accounts	$ 84,000	$ 91,000
Deferred revenue	63,000	155,000
Accruals	141,000	71,000
Net operating loss carryforwards	9,532,000	10,617,000
Stock compensation expense	205,000	236,000
Property and equipment	30,000	109,000
R&D credit	1,102,000	1,144,000
Other	133,000	117,000
Total deferred tax assets	11,290,000	12,540,000
Valuation allowance	(11,045,000)	(11,813,000)
Net deferred tax assets	245,000	727,000
Deferred tax liabilities:
Definite-lived intangible assets	(245,000)	(727,000)
Total deferred tax liabilities	$ (245,000)	$ (727,000)