RESTATEMENT Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 40,663	$ 9,949
Short term investments	55,480	0
Trade accounts receivable, net	4,139	4,857
Inventories, net	6,037	4,274
Prepaid expenses and other current assets	627	433
Total current assets	106,946	22,547
Property and equipment, net	5,842	6,033
Purchased technology and license rights, net	32	67
Goodwill	185	185
Deposits	46	92
Other assets	122	67
Total assets	113,173	30,988
Current liabilities:
Accounts payable	2,348	1,583
Accrued severance and related	95	1,242
Accrued payroll	163	447
Accrued expenses and other current liabilities	19,830	214
Total current liabilities	22,436	5,973
Related party note payable	140	140
Total liabilities	22,576	8,956
STOCKHOLDERS' EQUITY
Common stock	33	33
Additional paid-in capital	51,798	50,495
Retained earnings	38,766	(28,496)
Total stockholders’ equity	90,597	22,032	$ 22,517	$ 26,223
Total liabilities and stockholders’ equity	113,173	$ 30,988
As Originally Reported
ASSETS
Cash and cash equivalents	40,663
Short term investments	55,480
Trade accounts receivable, net	4,080
Inventories, net	6,037
Prepaid expenses and other current assets	627
Total current assets	106,887
Property and equipment, net	5,842
Purchased technology and license rights, net	32
Goodwill	185
Deposits	46
Other assets	122
Total assets	113,114
Current liabilities:
Accounts payable	2,348
Accrued severance and related	95
Accrued payroll	163
Accrued expenses and other current liabilities	19,066
Total current liabilities	21,672
Related party note payable	140
Total liabilities	21,812
STOCKHOLDERS' EQUITY
Common stock	33
Additional paid-in capital	51,798
Retained earnings	39,471
Total stockholders’ equity	91,302
Total liabilities and stockholders’ equity	113,114
Adjustments | Material Corrections
ASSETS
Cash and cash equivalents	0
Short term investments	0
Trade accounts receivable, net	59
Inventories, net	0
Prepaid expenses and other current assets	0
Total current assets	59
Property and equipment, net	0
Purchased technology and license rights, net	0
Goodwill	0
Deposits	0
Other assets	0
Total assets	59
Current liabilities:
Accounts payable	0
Accrued severance and related	0
Accrued payroll	0
Accrued expenses and other current liabilities	764
Total current liabilities	764
Related party note payable	0
Total liabilities	764
STOCKHOLDERS' EQUITY
Common stock	0
Additional paid-in capital	0
Retained earnings	(705)
Total stockholders’ equity	(705)
Total liabilities and stockholders’ equity	$ 59