Revenue, Deferred Revenue And Deferred Commissions (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

The following table presents our revenues disaggregated by revenue type:



	For the Three months ended June 30,				For the Six Months Ended June 30,
(Dollars in thousands)	2018		2017⁽¹⁾		2018		2017⁽¹⁾
Wireless products and services	$	23,658	$	25,639	$	47,927	$	51,499
Subscription	441		623		861		1,167
Software licenses	1,552		1,641		5,508		2,812
Professional services	4,363		3,650		8,433		7,003
Hardware	1,107		1,127		2,132		2,100
Maintenance	9,507		9,645		18,881		19,188
Total revenue	$	40,628	$	42,325	$	83,742	$	83,769

⁽¹⁾Prior period amounts have not been adjusted under the modified retrospective method for the adoption of ASC 606.

Revenue by geographic region consisted of the following for the periods stated:



	For the Three months ended June 30,				For the Six Months Ended June 30,
(Dollars in thousands)	2018		2017⁽¹⁾		2018		2017⁽¹⁾
Revenue
United States	$	39,109	$	40,869	$	81,044	$	81,374
International	1,519		1,456		2,698		2,395
Total revenue	$	40,628	$	42,325	$	83,742	$	83,769

⁽¹⁾Prior period amounts have not been adjusted under the modified retrospective method for the adoption of ASC 606.

Schedule of Deferred Revenue

Changes in the balance of total deferred revenue during the six months ended June 30, 2018 are as follows:



(Dollars in thousands)	December 31, 2017		Additions		Revenue Recognized(1)			June 30, 2018
Deferred Revenue	$	32,477	$	30,976	$	(30,043	)	$	33,410

Schedule of Deferred Commissions

Changes in the balance of total deferred commissions during the six months ended June 30, 2018 are as follows:



(Dollars in thousands)	December 31, 2017		Additions⁽¹⁾		Commissions Recognized			June 30, 2018
Deferred Commissions	$	1,676	$	3,647	$	(3,168	)	$	2,155

⁽¹⁾Includes $0.7 million in previously recognized commissions expense which was removed from retained earnings and included in deferred commissions resulting from the adoption of ASC 606.