Expiration date of warrants held.

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-Name Regulation S-X (SX)
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-Article 12
-Section 13
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Refers to the debt instrument increase in interest rate in event of default under the debt agreement.

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Amount of debt incurred fee and issuance costs related to the issuance of the credit agreement.

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Refers to number of days prior written notice the organization may prepay any portion or the entire amount of the Loan, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Total number of share held by related party.

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Refers to percentage of warrants issued of common equity interests of the entity on a fully diluted basis.

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No definition available.

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The cash inflow associated with the proceeds on the Loan as a prepayment of all interest due and payable at the accrual rate during the period.

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Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

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.

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Face amount per share of no-par value common stock.

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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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Amount of the fee that accompanies borrowing money under the debt instrument.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Incremental percentage increase (decrease) in the stated rate on a debt instrument.

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

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

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

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Current Liabilities and Debt Obligations, Enlightenment Capital Credit Agreement (Details) - USD ($)			12 Months Ended
	Mar. 31, 2018	Jan. 25, 2017	Dec. 31, 2018	Dec. 31, 2017	Apr. 18, 2017
Accounts Payable and Other Accrued Payables [Abstract]
Trade account payables			$ 18,500,000	$ 15,400,000
Accrued trade payables			3,300,000	10,300,000
Long-term Debt [Abstract]
Senior term loan principal, including exit fee			11,825,000	11,825,000
Less: Unamortized discount, debt issuance costs, and lender fees			(841,000)	(1,039,000)
Senior term loan, net			10,984,000	10,786,000
Interest expense				$ 1,500,000
Credit Agreement [Member]
Enlightenment Capital Credit Agreement [Abstract]
Credit agreement exit fee			$ 825,000
Effective interest rate			15.00%
Credit agreement transaction costs			$ 374,000
Long-term Debt [Abstract]
Interest expense			$ 1,700,000
Class A Common Stock [Member]
Enlightenment Capital Credit Agreement [Abstract]
Common stock, par value (in dollars per share)			$ 0
Porter [Member]
Enlightenment Capital Credit Agreement [Abstract]
Maturity date			Jul. 25, 2022	Jul. 01, 2017
Increase in interest rate	1.00%
Aggregate redemption price					$ 2,112,000
Enlightenment Capital Solutions Fund II LP [Member] \| Class A Common Stock [Member]
Enlightenment Capital Credit Agreement [Abstract]
Warrants issued to purchase shares of common stock (in shares)		1,135,284.333
Common stock, par value (in dollars per share)		$ 0
Percentage of warrants issued of common equity interests		2.50%
Warrants exercise price (in dollars per share)		$ 1.321
Warrants expiration date			Jan. 25, 2027
Emmett J. Wood [Member] \| Class A Common Stock [Member]
Long-term Debt [Abstract]
Number of shares held by related party (in shares)	50,000		810,000
Term loan [Member] \| Enlightenment Capital Solutions Fund II LP [Member]
Enlightenment Capital Credit Agreement [Abstract]
Senior term loan		$ 11,000,000
Maturity date			Jan. 25, 2022
Accrual rate		13.00%
Increase in interest rate		14.50%
Increase in interest rate in event of default		2.00%
Monthly accrued interest rate during continuance of an Alternate Interest Rate Event		11.50%
Number of days prior written notice			30 days
Proceeds from loan prepayment		$ 1,100,000
Term loan [Member] \| Enlightenment Capital Solutions Fund II LP [Member] \| Minimum [Member]
Enlightenment Capital Credit Agreement [Abstract]
Monthly accrued interest rate			10.00%