Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 26,798		$ 95,152
Marketable securities	59,871		31,313
Accounts receivable, net of allowance for doubtful accounts of $185 and $399, respectively	26,113		24,972
Other receivables	498		310
Inventories	31,325		19,558
Prepaid expenses and other current assets	3,162		2,328
Total current assets	147,767		173,633
Property and equipment, net	25,696		7,338
Goodwill	28,866	[1],[2]	29,103	[1],[2]
Intangibles, net	43,465		43,096
Deposits and other assets	2,415		3,027
Total assets	248,209		256,197
Current liabilities:
Accounts payable	11,027		6,265
Accrued payroll	13,337		11,476
Accrued expenses and other current liabilities	5,260		3,094
Contingently issuable common stock	0		46,500
Total current liabilities	29,624		67,335
Long-term liabilities:
Deferred income taxes	879		1,135
Deferred rent	8,060		1,585
Other liabilities	489		0
Contingently issuable common stock	14,600		14,400
Convertible notes	70,407		67,101
Total liabilities	124,059		151,556
Commitments and contingencies
Stockholders’ equity:
Convertible preferred stock, $0.001 par value; 5,000,000 shares authorized. No shares issued and outstanding.	0		0
Common stock, $0.001 par value; 100,000,000 shares authorized, 67,321,769 and 63,866,392 shares issued, respectively. 67,159,511 and 63,866,392 shares outstanding, respectively.	67		64
Additional paid-in capital	372,639		321,756
Accumulated deficit	(248,500)		(216,082)
Treasury stock, at cost, 162,258 and 0 shares, respectively.	(2,328)		0
Accumulated other comprehensive income (loss)	2,272		(1,097)
Total stockholders’ equity	124,150		104,641
Total liabilities and stockholders’ equity	$ 248,209		$ 256,197

[1] Regulatory approval for Intuitrak in Japan acquired through an amendment with a distributor in the fourth quarter of 2014.

[2] Difference in goodwill value between these dates is solely due to a foreign currency translation adjustment.