Operating Leases base rent in year three.

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This element represents the percentage of common stock shares diluted granted for options.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Commitment made to pay deferred cash remuneration expressed as a percentage of the individual's base salary.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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No definition available.

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Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Expenditures for salaries for officers and non-officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

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Percentage of vesting of share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Commitments and Contingencies - Additional Information (Detail) - USD ($)	1 Months Ended		12 Months Ended
	Apr. 30, 2017	May 19, 2016	Dec. 31, 2016	Dec. 31, 2015	Feb. 26, 2014
Loss Contingencies [Line Items]
Operating Leases, Rent Expense			$ 347,000	$ 352,000
Employee-related Liabilities, Current					$ 166,000
Operating Leases Base rent In Year Two			2.06%
Operating Leases Base Rent In Year Three			2.06%
Salaries, Wages and Officers' Compensation		$ 315,000
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage		30.00%
Lease Expiration Date			Mar. 31, 2017
Mr Toutain [Member]
Loss Contingencies [Line Items]
ShareBased Compensation Arrangement By Share Based Payment Granted Percentage Of Common Stock Shares Diluted		1.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		3,738,933
Mr Toutain [Member] \| Share-based Compensation Award, Tranche One [Member]
Loss Contingencies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		25.00%
Mr Toutain [Member] \| Share-based Compensation Award, Tranche Two [Member]
Loss Contingencies [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		2.083%
Subsequent Event [Member]
Loss Contingencies [Line Items]
Operating Leases Base rent In Year Two	2.88%