Note 5 - Acquisition of Solar Green Technology (Detail) In Millions, except Share data, unless otherwise specified	3 Months Ended	1 Months Ended
	Mar. 31, 2013	Jun. 27, 2012 Parent Company, LDK Europe [Member] Subsidiary, Solar Green Technology [Member]	Jun. 27, 2012 Parent Company, LDK [Member]	Jul. 31, 2012 LDK Europe [Member]	Jul. 31, 2012 Two Founders of SGT [Member]	Jun. 27, 2012 Solar Green Technology [Member] USD ($)	Jun. 27, 2012 Solar Green Technology [Member] EUR (€)
Business Acquisition, Percentage of Voting Interests Acquired						100.00%	100.00%
Business Acquisition, Cash Payable (in Euro)						$ 6.3	€ 5.0
Business Acquisition, Cash Payable (in Dollars)						$ 6.3	€ 5.0
Percentage of Common Stock Outstanding Owned by Parent Company	71.00%	70.00%	71.00%
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)				9,771,223	1,814,655