CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical)	6 Months Ended
Jun. 30, 2012
Non-cash investing and financing activities:
Issuance of shares of common stock for promissory note (in shares)	491,636

Number of new stock issued during the period relating to a promissory note.

No definition available.

Name:	ulu_IssuanceOfSharesOfCommonStockForPromissoryNote
Namespace Prefix:	ulu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration