Debt quarterly installments as a percentage of principal amount.

No definition available.

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Namespace Prefix:	stgg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the percentage of current borrowing capacity of line of credit facility on EBITDA.

+ References

No definition available.

+ Details

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Namespace Prefix:	stgg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

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Debt (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	Nov. 14, 2016	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Line of Credit Facility [Line Items]
Debt Related Commitment Fees and Debt Issuance Costs		$ 6,360
Investor [Member]
Line of Credit Facility [Line Items]
Sale of Stock, Price Per Share		$ 0
Stock Issued During Period, Shares, New Issues		0
Investor [Member] \| Subsequent Event [Member]
Line of Credit Facility [Line Items]
Sale of Stock, Price Per Share	$ 3.60
Stock Issued During Period, Value, New Issues	$ 1,700
Stock Issued During Period, Shares, New Issues	462,778
Predecessor [Member]
Line of Credit Facility [Line Items]
Long-term Line of Credit				$ 15,000
Scenario, Forecast [Member]
Line of Credit Facility [Line Items]
Percentage Of Line Of Credit Facility Current Borrowing Capacity On EBITDA			20.00%
Line of Credit Facility, Current Borrowing Capacity			$ 2,500
Line of Credit Facility, Maximum Borrowing Capacity			$ 5,000
Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument Quarterly Installments Percentage of Principal Amount		0.625%
Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument Quarterly Installments Percentage of Principal Amount		2.50%
Loans Payable [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Face Amount		$ 81,750
Debt Instrument, Maturity Date		Nov. 23, 2020
Long-term Line of Credit		$ 15,000
Line of Credit Facility, Description		Advances under the revolving line-of-credit are limited by a borrowing base which may not exceed the lesser of (x) the difference between $15 million and amounts outstanding under letters of credit issued pursuant to the Credit Agreement; and (y) an amount equal to the sum of: (i) up to 85% of certain accounts receivable of the Company plus (ii) up to 100% of unrestricted cash on deposit in the Company’s accounts with the Collateral Agent, minus (iii) amounts outstanding under letters of credit issued pursuant to the Credit Agreement, minus (iv) reserves established by the Collateral Agent from time to time in its reasonable credit judgment exercised in good faith.
Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Face Amount		$ 15,000
Term Loan [Member]
Line of Credit Facility [Line Items]
Debt Related Commitment Fees and Debt Issuance Costs		6,360
Uncommitted Accordion Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Face Amount		$ 90,000