XML 44 R50.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Shareholders' Equity Warrant Exercises (Details) (USD $) | 9 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Stock Options and Warrants [Line Items] |  |
Proceeds from exercise of warrants | $ 2,126,291 | $ 5,925,931
Underwriting Offering [Member] |  |
Stock Options and Warrants [Line Items] |  |
Class of Warrant or Right, fair value of warrant inducement | $ 0 |

X
- Definition Class of Warrant or Right, fair value of warrant inducement + References No definition available. + Details
Name: | nbs_ClassOfWarrantOrRightFairValueOfWarrantInducement
Namespace Prefix: | nbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References No definition available. + Details
Name: | us-gaap_ProceedsFromWarrantExercises
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration