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Notes Payable and Credit Arrangements (Details) (USD $)
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0 Months Ended | 12 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Apr. 30, 2014
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Oct. 29, 2013
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Dec. 31, 2013
CreditFacilities
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Sep. 30, 2013
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Dec. 31, 2012
|
Dec. 31, 2013
Credit agreement
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Sep. 30, 2013
Credit agreement
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Dec. 31, 2013
Credit agreement
Revolving credit facility
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Dec. 31, 2013
Credit agreement
Ex-Im facility
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Dec. 31, 2013
Credit agreement
Streamline eligible under credit facility
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Sep. 30, 2013
Credit agreement
Streamline eligible under credit facility
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Dec. 31, 2013
Accounts receivable
Credit agreement
Revolving credit facility
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Dec. 31, 2013
Eligible receivables
Credit agreement
Ex-Im facility
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Dec. 31, 2013
Other eligible receivables billed in foreign currency
Credit agreement
Ex-Im facility
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Dec. 31, 2013
Eligible inventory
Credit agreement
Ex-Im facility
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Dec. 31, 2012
Prime rate
Credit agreement
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Sep. 18, 2020
N2 Biomedical LLC
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Sep. 18, 2014
N2 Biomedical LLC
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Dec. 31, 2013
N2 Biomedical LLC
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Sep. 30, 2013
N2 Biomedical LLC
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Sep. 18, 2013
N2 Biomedical LLC
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Sep. 30, 2013
N2 Biomedical LLC
Revolving credit facility
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Sep. 18, 2013
N2 Biomedical LLC
Credit agreement
Revolving credit facility
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Sep. 18, 2013
N2 Biomedical LLC
Accounts receivable
Revolving credit facility
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Dec. 31, 2013
N2 Biomedical LLC
Prime rate
Revolving credit facility
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Sep. 30, 2013
Spire Corporation
Revolving credit facility
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Dec. 31, 2012
Spire Corporation
Revolving credit facility
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Sep. 30, 2013
Spire Corporation
Ex-Im facility
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Dec. 31, 2012
Spire Corporation
Ex-Im facility
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| Line of Credit Facility [Line Items] | |||||||||||||||||||||||||||||
| Number of Credit Facilities | 2 | ||||||||||||||||||||||||||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 1,500,000 | $ 1,000,000 | $ 1,500,000 | $ 1,000,000 | |||||||||||||||||||||||||
| Guidence Line, Capacity Available | 1,500,000 | ||||||||||||||||||||||||||||
| Line of Credit Facility, Expiration Date | Apr. 30, 2014 | Oct. 29, 2013 | Sep. 18, 2014 | ||||||||||||||||||||||||||
| Debt Instrument, Covenant, Maintaining Liquidity | 1,250,000 | 3,500,000 | 2,500,000 | ||||||||||||||||||||||||||
| Debt Instrument, Covenant, Maintaining Cash Balance | 2,500,000 | ||||||||||||||||||||||||||||
| Line of Credit Facility, Eligible Percentage | 80.00% | 90.00% | 75.00% | 50.00% | 75.00% | ||||||||||||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 2.50% | 0.50% | |||||||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 7.00% | 4.50% | |||||||||||||||||||||||||||
| Debt Instrument, Lower Interest Rate | 0.50% | ||||||||||||||||||||||||||||
| Long-term Debt | 5,800,000 | 6,000,000 | |||||||||||||||||||||||||||
| Debt Instrument, Maturity Date | Sep. 18, 2020 | ||||||||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 3.75% | ||||||||||||||||||||||||||||
| Line of Credit Facility, Amount Outstanding | 438,000 | 438,000 | 107,000 | 449,000 | 38,000 | 141,000 | |||||||||||||||||||||||
| Line of Credit Facility, Interest Rate at Period End | 3.75% | 6.00% | 6.00% | ||||||||||||||||||||||||||
| Debt Instrument, Interest Rate at Period End | 4.50% | ||||||||||||||||||||||||||||
| Guidence Line, Utilized | 675,000 | ||||||||||||||||||||||||||||
| Line of Credit Facility, Remaining Borrowing Capacity | $ 581,000 | ||||||||||||||||||||||||||||