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Loan Agreement Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Line of Credit Facility [Line Items] |  |
Bank Overdrafts | $ 5,500,000 |
Secured Debt, Current | $ 10,823,000 | $ 14,543,000
Credit Facility (Textual) [Abstract] |  |
Eligible accounts receivables percentage | 85.00% |
Eligible accounts receivables past due days | 60 days |
Eligible inventory percentage | 60.00% |
Eligible inventory expected to be sold period | 18 months |
Maximum borrowing amount based on inventory | $ 20,000,000 |
Interest Paid | $ 1,000,000 | $ 600,000
Weighted average interest rate | 3.90% |
Letters of Credit Outstanding, Amount | $ 1,500,000 |
Excess cash capacity | $ 10,000,000 |
Maximum |  |
Credit Facility (Textual) [Abstract] |  |
Spread on LIBOR | 1.85% |
Dividends restricted amount | $ 7,000,000.0 |
Minimum |  |
Credit Facility (Textual) [Abstract] |  |
Spread on LIBOR | 1.50% |
Revolving Credit Facility [Member] |  |
Credit Facility (Textual) [Abstract] |  |
Credit facility, borrowing capacity | $ 40,000,000 |
Letter of Credit [Member] |  |
Credit Facility (Textual) [Abstract] |  |
Credit facility, borrowing capacity | 10,000,000 |
Lawson [Member] |  |
Line of Credit Facility [Line Items] |  |
Secured Debt, Current | 9,000,000 |
Credit Facility (Textual) [Abstract] |  |
Credit Facility, remaining borrowing capacity | 27,700,000 |
Bolt [Member] [Member] |  |
Line of Credit Facility [Line Items] |  |
Secured Debt, Current | 2,387,000 |
Credit Facility (Textual) [Abstract] |  |
Credit Facility, remaining borrowing capacity | $ 3,100,000 |

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- Definition Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1243-112600 + Details
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- Definition Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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