Long-term debt and other financing arrangements (Details) (USD $)	0 Months Ended				3 Months Ended	0 Months Ended				0 Months Ended															3 Months Ended				0 Months Ended
	May 15, 2012	May 16, 2012	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 John Rochon, Jr. Richmont Street LLC	Jun. 17, 2013 Convertible notes three RCP V	Dec. 12, 2012 Convertible notes three RCP V	Mar. 31, 2014 Convertible notes three RCP V	Dec. 31, 2013 Convertible notes three RCP V	Jun. 17, 2013 Convertible notes three RCP V Maximum	Mar. 14, 2013 Promissory Note - payable to former shareholder of TLC TLC	Mar. 31, 2014 Promissory Note - payable to former shareholder of TLC TLC	Dec. 31, 2013 Promissory Note - payable to former shareholder of TLC TLC	Mar. 31, 2014 Promissory Note - payable to former shareholder of TLC AEI	Dec. 31, 2013 Promissory Note - payable to former shareholder of TLC AEI	Oct. 22, 2013 Promissory Note - payable to former shareholder of TLC AEI	Mar. 31, 2014 Term loan - Key Bank	Dec. 31, 2013 Term loan - Key Bank	Oct. 23, 2012 Term loan - Key Bank	Mar. 31, 2014 Other, equipment notes	Dec. 31, 2013 Other, equipment notes	Mar. 31, 2014 Lines of Credit - Key Bank	Dec. 31, 2013 Lines of Credit - Key Bank	Mar. 31, 2014 Lines of Credit - Key Bank Maximum	Mar. 31, 2014 Lines of Credit - Key Bank Key Bank's prime rate	Mar. 31, 2014 Lines of Credit - Key Bank LIBOR	Mar. 31, 2014 Lines of Credit - UBS Margin Loan	Dec. 31, 2013 Lines of Credit - UBS Margin Loan	May 15, 2012 Convertible notes two	May 16, 2012 Convertible notes two
Convertible Notes Payable and Loans Payable
Total debt			$ 26,334,503	$ 26,723,396				$ 21,081,096	$ 20,881,096			$ 3,649,248	$ 3,734,695	$ 1,573,915	$ 1,649,880			$ 427,481		$ 30,244	$ 30,244
Less current maturities			707,463	1,128,674
Long-term debt			25,627,040	25,594,722
Interest rate of convertible agreements (as a percent)							4.00%	4.00%			2.63%	2.63%		5.00%			7.70%
Notes issued by the Company							20,000,000
Principal amount							20,000,000				4,000,000					1,700,000			6,500,000										250,000	225,000
Annual principal payments							1,333,333
Period from the Issuance Date after which debt can be prepaid						10 days	380 days
Number of common stock issuable on conversion (in shares)										64,000,000
Conversion price (in dollars per share)						$ 0.33
Ownership percentage					100.00%
Term of debt											10 years
Available borrowings																								12,000,000
Basis of interest rate																									Key Bank's prime rate	LIBOR
Interest rate (as a percent)																									1.75%	3.50%
Interest rate (as a percent)																						3.94%	3.94%				1.66%	1.67%
Line of credit outstanding balance																						7,840,660	8,067,573				406,325	1,663,534
Restricted common stock issued (in shares)	2,666,666	2,380,000
Interest on debt																													$ 16,666	$ 13,000
Number of warrants granted (in shares)	1,277,537	1,010,137
Number of shares into which warrants are exercisable	1	1
Exercise price of warrants (in dollars per share)	$ 0.50	$ 0.50
Exercisable term of warrants	2 years	2 years