XML 39 R24.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Shares Issued Through Equity Offering Program | 9 Months Ended
--- | ---
Sep. 30, 2012
Shares Issued Through Equity Offering Program |
Shares Issued Through Equity Offering Program |
Note 15 — Shares Issued Through Equity Offering Program On August 9, 2012, the Company entered into an equity offering sales agreement to sell shares of the Company’s common stock from time to time with an aggregate sales price of up to $50,000,000, through an “at the market” equity offering program. During August and September 2012, the Company sold 120,844 shares for proceeds of $2,296,041, net of commissions of $23,000, and incurred offering costs of $143,000.

X
- Details
Name: | olp_PublicOfferingDisclosureAbstract
Namespace Prefix: | olp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of public offering of the common stock issued by the entity, which includes the number of shares issued and their amount of proceeds. + References No definition available. + Details
Name: | olp_PublicOfferingDisclosureTextBlock
Namespace Prefix: | olp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration