Note 2 - Acquisition of Fabrica Assets and U.S. Business (Details) (USD $) | 9 Months Ended | 0 Months Ended | 9 Months Ended | | 0 Months Ended | 9 Months Ended | | 0 Months Ended | 9 Months Ended | | 0 Months Ended | 9 Months Ended | | 0 Months Ended | | 0 Months Ended | 3 Months Ended | 9 Months Ended | | 0 Months Ended | | | 0 Months Ended | 3 Months Ended | 9 Months Ended | |
Sep. 30, 2014 | Jun. 03, 2014 | Sep. 30, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Sep. 30, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Sep. 30, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Sep. 30, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | Jun. 03, 2014 | 5-May-14 | Jun. 03, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Jun. 03, 2014 |
Supply and Lease Agreements [Member] | Supply and Lease Agreements [Member] | Supply and Lease Agreements [Member] | Licenses and Trademarks [Member] | Licenses and Trademarks [Member] | Licenses and Trademarks [Member] | Noncompete Agreements [Member] | Noncompete Agreements [Member] | Noncompete Agreements [Member] | Customer Relationships [Member] | Customer Relationships [Member] | Customer Relationships [Member] | Supply Agreement [Member] | Supply Agreement [Member] | Supply Agreement [Member] | Equipment Lease Agreement [Member] | Equipment Lease Agreement [Member] | Equipment Lease Agreement [Member] | Equipment Lease Agreement [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] |
Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Certain Assets and US Business of Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | Fabrica [Member] | | | | |
| | | | | | | | | | | | Elgin Finance and Investment Corporation [Member] | Elgin Finance and Investment Corporation [Member] | | | | | | | | | | | | |
Note 2 - Acquisition of Fabrica Assets and U.S. Business (Details) [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Business Acquisition Percentage of Specified Division of Business Acquired | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 100.00% | ' | ' | ' | ' |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 274,433 | ' | ' | ' | ' | ' | ' | 411,650 | ' | ' | ' | ' | ' | ' |
Business Acquisition Equity Interest Issued or Issuable Value Per Purchase Agreement | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $12,000,000 | ' | ' | ' | ' | ' |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 6,400,000 | ' | ' | ' | ' | ' | ' | 9,600,000 | ' | ' | 16,000,000 | ' | ' | ' |
Payments to Acquire Businesses, Gross | 16,700,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 16,700,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | 16,700,000 | ' | ' | ' |
Business Acquisition Equity Interest Issued or Issuable Value Per Purchase Agreement | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 8,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Supply Agreement Maximum Units of Product That Can Be Purchased in Each Twelve Months Period | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 18,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Period Entity Has Right to Purchase Specified Amount | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '12 months | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Supply Agreement Additional Annual Purchases in Specified Period | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 7,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Supply Agreement Period Over which Additional Units of Product Can be Purchased | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '2 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Supply Agreement Term | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '20 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount of Liquidated Damages to be Paid in Event of Termination of Agreement due to Specified Conditions | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 100,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Period Of Option To Terminate Agreement Due To Change Of Control | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '2 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount Of Liquidated Damages To Be Paid In Event Of Termination Of Agreement Due To Change Of Control | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 36,700,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Lessor Leasing Arrangements, Operating Leases, Term of Contract | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '20 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Equipment Lease Agreement Leased Assets Sale Value | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 12,000,000 | ' | ' | ' | ' | ' | ' | ' |
Equipment Lease Transaction Gross Proceeds | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 779,000 | 977,000 | ' | ' | ' | ' | ' | ' | ' | ' |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 32,700,000 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | ' | ' | ' | 12,800,000 | ' | ' | 1,350,000 | ' | ' | 1,150,000 | ' | ' | 2,690,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 18,000,000 |
Finite-Lived Intangible Asset, Useful Life | ' | '20 years | '20 years | ' | '20 years | '20 years | ' | '2 years | '2 years | ' | '12 years | '12 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '12 years | ' | ' | ' |
Goodwill | 7,560,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 7,560,000 |
Goodwill, Impairment Loss | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Business Acquisition, Transaction Costs During Period | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $84,000 | $1,600,000 | ' |