Future Minimum Lease Payments On Non-cancelable Capital Lease (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
2018	$ 119,000
Total minimum payments required	673,878
Less amount representing interest	(54,876)
Present value of net minimum lease payments	619,002
Less current portion	(101,741)	$ (98,738)
Long-term portion	517,261	$ 619,001
Equipment under capital lease	750,000
Less: accumulated amortization	(160,714)
Capital Leases, Balance Sheet, Assets by Major Class, Net	$ 589,286

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 of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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