Quarterly report pursuant to Section 13 or 15(d)

Interim Segment Information (Details)

v3.8.0.1
Interim Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Segment information          
Total revenue $ 13,675 $ 14,983 $ 47,481 $ 47,579  
Total cost of revenue (1) 7,599 8,929 27,363 30,593 [1]  
Gross profit $ 6,076 $ 6,054 $ 20,118 $ 16,986 [1]  
Gross margin 44.40% 40.40% 42.40% 35.70% [1]  
Research and development $ 1,542 $ 2,414 $ 6,023 $ 10,018  
Segment Profit Loss 4,534 3,640 14,095 6,968  
Operating expenses          
Sales and marketing 1,950 1,943 6,278 8,220  
General and administrative 1,502 1,777 5,022 6,340  
Intangible amortization 1,047 1,212 3,142 3,613  
Restructuring   490 165 3,055 $ 3,200
Impairment of Long-Lived Assets to be Disposed of 0 0 0 1,181  
Operating profit (loss) 35 (1,782) (512) (15,441)  
Other Nonoperating Income (Expense) 79 (15) 799 [2] 76  
Income tax benefit (expense) 685 [3] (10) 660 [3] (20)  
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent 799 (1,807) 947 (15,385)  
IBW [Member]          
Segment information          
Total revenue 5,223 6,224 20,098 18,989  
Total cost of revenue (1) 2,754 3,713 [1] 10,965 13,251 [1]  
Gross profit $ 2,469 $ 2,511 [1] $ 9,133 $ 5,738 [1]  
Gross margin 47.30% 40.30% [1] 45.40% 30.20% [1]  
Research and development $ 750 $ 1,307 $ 3,656 $ 5,265  
Segment Profit Loss 1,719 1,204 5,477 473  
ISMS [Member]          
Segment information          
Total revenue 5,802 5,525 14,662 14,773  
Total cost of revenue (1) 2,642 2,730 7,157 7,552  
Gross profit $ 3,160 $ 2,795 $ 7,505 $ 7,221  
Gross margin 54.50% 50.60% 51.20% 48.90%  
Research and development $ 547 $ 805 $ 1,635 $ 3,336  
Segment Profit Loss 2,613 1,990 5,870 3,885  
CNS [Member]          
Segment information          
Total revenue 2,650 3,234 12,721 13,817  
Total cost of revenue (1) 2,203 2,486 9,241 9,790  
Gross profit $ 447 $ 748 $ 3,480 $ 4,027  
Gross margin 16.90% 23.10% 27.40% 29.10%  
Research and development $ 245 $ 302 $ 732 $ 1,417  
Segment Profit Loss $ 202 $ 446 $ 2,748 $ 2,610  
[1] The nine months ended December 31, 2016, includes $1.6 million of E&O expense for ClearLink DAS inventory and pipeline inventory.
[2] During the quarter ended September 30, 2017, the Company dissolved the NoranTel legal entity, which triggered a one-time foreign currency gain with the reversal of a cumulative translation adjustment. See Note 1.
[3] During the quarter ended December 31, 2017, the Company had income tax benefit from the release of the tax valuation allowance associated with previously generated alternative minimum tax (AMT) credits due to the enacted Tax Reform. See Note 8.