Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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LONG-TERM DEBT (Webster Bank) (Details) - USD ($)		3 Months Ended		9 Months Ended
LONG-TERM DEBT (Webster Bank) (Details) - USD ($)	Dec. 01, 2014	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total debt		$ 42,000		$ 42,000			$ 4,522,000
Loss on extinguishment of debt and induced conversion of convertible bridge notes		1,338,000	$ 0	1,391,000	$ 0
Connecticut, DECD and Webster Loan
Debt Instrument [Line Items]
Loss on extinguishment of debt and induced conversion of convertible bridge notes				53,000
Term loan \| Webster Bank
Debt Instrument [Line Items]
Debt instrument, term	3 years 6 months
Debt instrument, face amount	$ 500,000
Interest rate (as a percent)						1.16%
Debt instrument, maturity date	May 31, 2018
Total debt		$ 0		$ 0			$ 328,000
Term loan \| Webster Bank \| LIBOR
Debt Instrument [Line Items]
Variable rate on spread	5.00%