Related Party Transactions (Details) (USD $)	1 Months Ended		9 Months Ended			1 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended				9 Months Ended		9 Months Ended			9 Months Ended
	Mar. 31, 2011	Jan. 31, 2011	Sep. 30, 2012	Sep. 30, 2011	Jul. 31, 2011	Mar. 31, 2012 Golsen Group [Member]	Mar. 31, 2011 Golsen Group [Member]	Jan. 31, 2011 Golsen Group [Member]	Jun. 30, 2011 Golsen Group [Member]	Sep. 30, 2011 Golsen Group [Member]	Dec. 31, 2010 Golsen Group [Member]	Jul. 31, 2011 Golsen Group [Member] Debentures [Member]	Sep. 30, 2011 Golsen Group [Member] Debentures [Member]	Dec. 31, 2010 Golsen Group [Member] Debentures [Member]	Jul. 31, 2011 Golsen Group [Member] Promissory Note [Member]	Sep. 30, 2012 Landmark [Member]	Jun. 30, 2011 Landmark [Member]	Sep. 30, 2012 LLC [Member]	Sep. 30, 2012 Texas Real Estate [Member]	Sep. 30, 2011 Texas Real Estate [Member] Landmark [Member]	Sep. 30, 2012 Put Option [Member] Texas Real Estate [Member] Landmark [Member]	Sep. 30, 2012 Warrant [Member] Texas Real Estate [Member] Landmark [Member]	Feb. 07, 2012 Warrant [Member] Texas Real Estate [Member] Landmark [Member]
Related Party Transactions (Textual) [Abstract]
Interest paid relating to the debentures								$ 137,500	$ 55,000
Interest Accrued											137,500
Dividends on preferred stocks			300,000	305,000		300,000	300,000
Amount of Debentures sold by a related party to a third party							3,000,000
Principal amounts converted	24,400,000				2,000,000							2,000,000			8,000
Shares of LSB common stock issued	888,160	72,800										72,800
Promissory note converted into shares															4,000
Interest expense relating to the debentures										60,500
Debentures held by Golsen Group													2,000,000	5,000,000
Purchase price																	2,250,000			2,500,000
Percentage of return on purchase price																10.00%			10.00%
Put option exercise period																					May exercise during the sixth year following the purchase of the Real Estate
Maximum number of shares available to purchase under warrants																						1,000,000
Purchase price per share of Landmark stock under the warrant																						$ 1.00
Landmark's 12 month average closing price per common stock share																							$ 0.11
Amount of contribution to a LLC																		1,000,000
Loan made by a related party																		2,000,000
Principal amount of membership interest of the LLC sold for a promissory note																		$ 1,100,000
Barton note due date																		June 2011