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Note 10 - Revolving Credit Facility Financing Agreement (Detail) (USD $)
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0 Months Ended | 0 Months Ended | 12 Months Ended | 1 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Nov. 13, 2012
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Dec. 31, 2012
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Nov. 13, 2012
Paid Monthly [Member]
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Nov. 13, 2012
Paid Upon Closing of Previous Credit Facility [Member]
Wells Fargo [Member]
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Nov. 13, 2012
Salus Capital Partners, LLC ("Salus") [Member]
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Dec. 31, 2012
Minimum [Member]
Credit Facility [Member]
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Dec. 31, 2012
Interest Expense and Fees - Combined Credit Facilities [Member]
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Dec. 31, 2011
Interest Expense and Fees - Combined Credit Facilities [Member]
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Dec. 31, 2010
Interest Expense and Fees - Combined Credit Facilities [Member]
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Dec. 31, 2012
Credit Facility - Prime Rate As Basis [Member]
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Dec. 31, 2012
Letter of Credit [Member]
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Dec. 31, 2012
Committed For Letters of Credit In Favor of Suppliers [Member]
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Dec. 31, 2012
Amount Availabe For Further Borrowings, Excluding Letters of Credit Committed In Favor of Suppliers [Member]
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Apr. 30, 2013
Amendment To Credit Facility [Member]
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| Line of Credit Facility, Term | 3 years | |||||||||||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 10,000,000 | $ 5,000,000 | ||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 4.75% | |||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 8.00% | |||||||||||||
| Line of Credit Facility, Amount Outstanding | 4,700,000 | 5,311,000 | ||||||||||||
| Credit Facility, Origination Fee, Amount | 432,000 | 100,000 | ||||||||||||
| Line of Credit Facility, Collateral Fees, Amount | 3,000 | |||||||||||||
| Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.75% | |||||||||||||
| Termination Fee | 75,000 | |||||||||||||
| Line of Credit Facility, Remaining Borrowing Capacity | 6,899,000 | 5,311,000 | 1,588,000 | |||||||||||
| Interest Expense, Debt | 492,000 | 291,000 | 219,000 | |||||||||||
| Line Of Credit Facility Increase In Maximum Borrowing Capacity | $ 650,000 | |||||||||||||