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Debt - Senior Credit Facility (Details) - USD ($) | 3 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2017 | Mar. 22, 2017 | Dec. 31, 2016 | Oct. 01, 2016 | Sep. 30, 2016 | Sep. 29, 2016 | Aug. 01, 2016 | Jun. 01, 2016 | May 31, 2016
Senior Secured Revolving Credit Facility |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Adjusted tangible net worth threshold (greater than) | $ 18,000,000 |  |  |  |  |  |  |  |
Maximum leverage ratio | 250.00% |  |  |  |  |  |  |  |
Debt default, change in control, ownership percentage (less than) | 40.00% |  |  |  |  |  |  |  |
Debt default, material judgment (in excess of) | $ 5,000,000 |  |  |  |  |  |  |  |
Senior Secured Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Fixed charge coverage ratio | 125.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 82,500,000 | $ 70,000,000.0 | $ 60,000,000 | $ 82,500,000 | $ 82,500,000.0 |  | $ 82,500,000.0 | $ 60,000,000
Required minimum availability |  |  |  |  |  |  | $ 40,000,000 |  |
Reduction to interest rate if facility utilization is less than fifty percent | 0.25% |  |  |  |  |  |  |  |
Commitment fee percentage | 0.375% |  |  |  |  |  |  |  |
Nonutilization fee | 0.50% |  |  |  |  |  |  |  |
Adjusted tangible net worth, aggregate commitments percentage | 20.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Maximum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Line of credit, availability | $ 82,500,000.0 |  |  |  |  |  |  |  |
Borrowing base calculated on value of eligible accounts receivable, unbilled product sales, inventory and other working capital assets, percentage | 90.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Minimum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Line of credit, availability | $ 40,000,000 |  |  |  |  |  |  |  |
Borrowing base calculated on value of eligible accounts receivable, unbilled product sales, inventory and other working capital assets, percentage | 80.00% |  |  |  |  |  |  |  |
Consolidated net working capital through December 30, 2016 | $ 5,000,000 |  |  |  |  |  |  |  |
Consolidated net working capital through December 30, 2016, percentage | 15.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Eurodollar |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 3.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Base Rate |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Federal Funds Rate |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 0.50% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Reference Eurodollar Rate |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Working Capital Line | Cost of Funds Rate |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.50% |  |  |  |  |  |  |  |
Revolving Credit Facility | Acquisition Line |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 25,000,000 |  |  |  |  |  |  |  |
Financing of cost of acquisitions, maximum percentage | 75.00% |  |  |  |  |  |  |  |
Nonutilization fee | 0.50% |  |  |  |  |  |  |  |
Adjusted tangible net worth, borrowings percentage | 33.00% |  |  |  |  |  |  |  |
Revolving Credit Facility | Acquisition Line | Eurodollar | Maximum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 3.75% |  |  |  |  |  |  |  |
Revolving Credit Facility | Acquisition Line | Base Rate | Maximum |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.75% |  |  |  |  |  |  |  |
Revolving Credit Facility | Acquisition Line | Federal Funds Rate |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 0.50% |  |  |  |  |  |  |  |
Revolving Credit Facility | Acquisition Line | Reference Eurodollar Rate |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |  |  |  |

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