Note 9 - Debt (Details) - Summary of Debt Components (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Debt Instruments	$ 6,438
Discounts on long-term borrowings	(2,368)		(48)
Subtotal	4,070		2,549
Less: Current maturies of long-term debt	(59)		(756)
Long-term debt	4,011		1,793
Unsecured Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instruments	6,145	[1]	1,500	[1]
Convertible Promissory Note - TLC Investments LLC [Member]
Debt Instrument [Line Items]
Debt Instruments		[2]	500	[2]
Cognovit Note - Keystone Ruby, LLC [Member]
Debt Instrument [Line Items]
Debt Instruments	223	[3]	277	[3]
Letter of Credit Agreement - Mark Plush [Member]
Debt Instrument [Line Items]
Debt Instruments		[4]	250	[4]
Unsecured Promissory Note - Quercus Trust [Member]
Debt Instrument [Line Items]
Debt Instruments	$ 70	[5]	$ 70	[5]

[1] Of the balance at December 31, 2013, $500 thousand of the notes mature on December 31, 2015, and $5,645 thousand mature on December 31, 2016. All notes bear interest at 5%, and are convertible into our common stock at $0.23 per share as follows (in thousands)

[2] As a provision of the settlement agreement between us and the former owners of EFLS, our obligation to pay the $500 thousand promissory note was cancelled in its entirety during the second quarter of 2013. See Note 11, "Settlement of Acquisition Obligations."

[3] Note matures on April 1, 2017 and bears interest at 10%. Per the terms of the note, if we did not renew the lease of our Solon facility by December 31, 2013, the note became payable immediately. The lease was renewed prior to December 31, 2013.

[4] On July 3, 2013, the Letter of Credit Agreement was paid in full. Per the terms of the LOC, it matured on August 11, 2013, and bore interest at 12.5%. The LOC was collateralized by a cash deposit with an insurance company issuing our contract performance bonds and by 32% of the unpledged stock of Crescent Lighting, Ltd. ("CLL"), a subsidiary of the Company. As an incentive to enter into the LOC, we issued five-year, detached warrants to purchase 125,000 shares of common stock at an exercise price of $0.01 per share. See Note 16, Related Party Transactions.

[5] Note matures on June 1, 2109 and bears interest at 1%.