Supplemental Cash Flow Information: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	$ 21	$ 36
Cash paid for income tax payments	32	14
NON-CASH TRANSACTIONS:
Unpaid deferred secondary offering costs		640
Cashless exercise of warrants		479
Anomalous
NON-CASH TRANSACTIONS:
Deferred purchase price		950
ttMobiles
NON-CASH TRANSACTIONS:
Deferred purchase price		$ 2,315