Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Indebtedness (Detail)

v3.10.0.1

Indebtedness (Detail) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
Indebtedness (Detail) - USD ($)	Mar. 31, 2015	Jun. 30, 2018	Dec. 31, 2018
Debt Instrument [Line Items]
2019			$ 9,936
2020			9,936
2021			6,354
2022			5,160
2023			2,150
Capital Leases, Future Minimum Payments Due			33,536
Equipment Financing Lease \| Laboratory equipment
Debt Instrument [Line Items]
Amount financed	$ 400,000
Interest rate (as a percent)	6.44%
Term of financing	36 months
Equipment Financing Lease \| Minimum [Member] \| Office Equipment
Debt Instrument [Line Items]
Amount financed		$ 37,000
Interest rate (as a percent)		4.15%
Term of financing		36 months
Equipment Financing Lease \| Maximum \| Office Equipment
Debt Instrument [Line Items]
Term of financing		60 months
Principal and interest payments made during the period			52,000
Interest payments made during the period			2,000
Principal amount outstanding			$ 31,000

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Debt instrument interest payments.

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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, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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